What's Changed - Things to Know Before You Upgrade

This article lists important changes in Tableau Server, beginning with version 9.3. This list is cumulative. If you are upgrading from an early version (for example, 10.1), read the list of changes for every version between your current version and the version you are upgrading to. If you are upgrading from Tableau Server on Windows to Tableau Server on Linux, read both versions of "What's Changed."

What Changed in Version 2019.4

Version 2019.4 includes the following changes you should know about before upgrading.

For information about all the new features in Tableau Server 2019.4, see What's New in Tableau Server.

Tableau Server installer has been rewritten

The 2019.4 release of Tableau Server features a newly rewritten Setup program for Tableau Server.

This update changes some of the command line switches and options available for the installer. If you have automated the installing or upgrading of Tableau Server, be sure to review the current command line options for the Server Setup program. See Changes to Command Line Install Options for Tableau Server Setup for more information.

Important: Upgrading a nondefault installation of Tableau Server from version 2018.1.x or earlier to version 2019.4 requires special steps. For details see Upgrade from 2018.1 or Earlier: Tableau Server on Windows.

New tabcmd Installer for Windows

The 2019.4 release of Tableau Server features a newly rewritten Setup program for installing tabcmd on Windows.

This update changes some of the command line options. If you have automated the installation of tabcmd, be sure to review the current command line options for the tabcmd Setup program. For more information, see tabcmd and Install Switches and Properties for tabcmd

Updates to Tableau Server Job Management

The Job management page has several updates and new options including the following:

  • The Jobs page now includes Average Run and Average Queue time information for each job.

  • Improved job cancellation experience. Server and Site admins can now enter customized notes as well as pick recipients of the e-mail when cancelling a job.

  • More information is provided in the job detail dialog box, such as: the last time the job was run successfully, and the name of the job creator.
  • Canceling flow run jobs is now supported. Previously, in Tableau Server version 2019.3, only extract refreshes and subscriptions were supported.
  • New Task Type has been added: Encryption jobs.

  • Failed jobs now includes jobs that have been suspended. Suspended jobs are a sub-status of the failed jobs and have their own icon to distinguish them from other failed jobs.

For more information, see Managing Jobs in Tableau Server.

 

What Changed in Version 2019.3

Version 2019.3 includes the following changes you should know about before upgrading.

For information about all the new features in Tableau Server 2019.3, see What's New in Tableau Server.

Default cipher suite no longer includes default support for old ciphers

The 2019.3 version of Tableau Server no longer includes default support for Triple-DES, IDEA, and CAMELIA ciphers for SSL connections. These ciphers are no longer considered adequately secure. In the previous versions of the Security Hardening Checklist, we included a recommendation to disable the Triple-DES cipher, which was enabled by default.

Depending on your environment, you may need to make additional configurations before our after upgrading:

  • If you disabled the Triple-DES cipher as documented in the Checklist, then we recommend running the following commands before you upgrade to 2019.3:

    tsm configuration set -k ssl.ciphersuite -d

    tsm pending-changes apply

    This command reverts Tableau Server to the 2019.2 (and older) default cipher suite configuration. After you have upgraded to 2019.3, Triple-DES, IDEA, and CAMELIA will be removed from the default supported ciphers.

    Do not run the command if you made other changes to the ssl_ciphersuite key.

  • If you did not change the ssl_ciphersuite key, then Setup will update the key value to the new default as part of the upgrade process. The new default value for the ssl_ciphersuite key is HIGH:MEDIUM:!aNULL:!MD5:!RC4:!3DES:!CAMELLIA:!IDEA:!SEED.

  • If your users still require support for Triple-DES, then we recommend upgrading to more recent browsers that support more secure ciphers. If that is not an option, then you can run the following commands after you have upgraded. The first command sets the ssl_ciphersuite key to the pre-2019.3 configuration, which supports Triple-DES:

    tsm configuration set -k ssl.ciphersuite -v "HIGH:MEDIUM:!aNULL:!MD5:!RC4"

    tsm pending-changes apply

Usage data is sent to Tableau

Beginning with Tableau Server 2019.3, server usage data is sent to Tableau by default. This is the case for new installs and upgrades. You have the ability to opt out during installation, upgrade, or at any time after Tableau Server has been installed. For more information about usage data, see Server Usage Data.

To disable the sending of server usage data:

  • If you are installing Tableau Server for the first time, you can disable this feature during the configuration of initial node settings. For details, see Configure Initial Node Settings.

  • If you are upgrading Tableau Server, the upgrade-tsm script will let you know about the option and how to disable it.

  • If you want to have installed or upgraded Tableau Server and want to disable the sending of server usage data, you can do this from the TSM Maintenance page, or from the command line. For details, see Server Usage Data.

Upgrade without needing to provide a password

Beginning with Tableau Server 2019.3, when you upgrade from version 2019.2 or later, the upgrade-tsm script no longer requires you to specify a user and password. Version 2019.3 and later take advantage of the Direct access with TSM CLI feature and uses the account you have logged in as to authenticate the upgrade. You can override this behavior with the --user option, to specify an administrative user. When you do this, you can also provide a password using the --password option, or enter a password when prompted. Upgrades from versions earlier than 2019.2.0 will still prompt you for a password.

Some tsm command options are no longer configurable

Beginning with Tableau Server 2019.3, the following options are enabled on install and are no longer configurable:

  • backgrounder.enable_sort_ jobs_by_job_rank
  • backgrounder.enable_task_ run_time_and_job_rank
What Changed in Version 2019.2

Version 2019.2 includes the following changes you should know about before upgrading.

For information about all the new features in Tableau Server 2019.2, see What's New in Tableau Server.

Minimum hardware requirements have changed

Beginning with version 2019.2, Tableau Server requires a minimum of 4 cores and 16 GB of RAM in order to install. The installation program will check that the computer you are installing on satisfies these minimums before you can install. If the computer does not meet these hardware minimums, Tableau cannot be installed. For details, see Minimum Hardware Requirements and Recommendations for Tableau Server. For more information about this change, see this Tableau blog post: Updated machine requirements for Tableau Server trials.

Upgrade requires at least 15% free disk space on each node

Upgrading to version 2019.2 includes a version update to the PostGRES database that Tableau uses internally. This update means that a backup of the database is done before upgrading, and that requires a minimum of 15% free space on each node.

"Referrer-Policy" HTTP header added

Beginning in 2019.2, Tableau Server includes the ability to configure Referrer-Policy HTTP header behavior. This policy is enabled with a default behavior that will include the origin URL for all "secure as" connections (policy no-referrer-when-downgrade). In previous versions, the Referrer-Policy header was not included in responses sent by Tableau Server. This change is not likely to impact user scenarios for most browsers. However, we recommend testing browser-based user scenarios after you upgrade to 2019.2. In the event a user scenario is effected, you can disable or change this header behavior. See HTTP Response Headers.

Map-related internet addresses have changed

Beginning in 2019.2, Tableau Server needs access using port 443 to two new map locations: 

  • mapsconfig.tableau.com
  • api.mapbox.com

These replace the address used by previous versions: maps.tableau.com. For details on configuring Tableau Server for proper internet access, see Configuring Proxies for Tableau Server.

What Changed in Version 2019.1

For information about all the new features in Tableau Server 2019.1, see What's New in Tableau Server.

High-resolution thumbnails

In version 2019.1 and later, workbooks and views use higher resolution thumbnails. When you upgrade to Tableau Server version 2019.1 or later, the Backgrounder runs the Enqueue Thumbnails Upgrade job and the Upgrade Thumbnails job, which refreshes thumbnails for any views that have not been edited or published since Tableau version 2018.2 and converts them from low resolution thumbnail images (192 x192 pixels) to high resolution thumbnail images (300 x 300 pixels), as shown in the figure below.

When the Upgrade Thumbnails job refreshes the thumbnail images, the modified date of the view is changed to match the thumbnail update date. The Upgrade Thumbnails job does not change the modified date of workbooks when it updates the contained view's thumbnails.

Thumbnails may appear blurry until the Upgrade Thumbnails job is complete. Depending on the number of workbooks you have, this could a few minutes to a few hours. You may also notice that thumbnail images may appear in low resolution for up to a week after upgrading to Tableau Server 2019.1. For more information, see Upgrade Thumbnails Job.

Project card images

In version 2019.1 and later, project card images will not appear on the project card unless they are added as the last item in the project description and encapsulated with ! (exclamation marks). For more information, see Add a Project Image.

What Changed in Version 2018.3

Version 2018.3 includes some changes you should know about before upgrading.

For information about all the new features in Tableau Server 2018.3, see What's New in Tableau Server.

Floating worksheet captions become transparent

To make a floating caption visible again, content authors will need to change the caption background to a color.

Changes to some Data Engine tsm configuration set options

Two new configuration tsm set configuration options have been added: hyper.hard_concurrent_query_thread_limit and hyper.soft_concurrent_query_thread_limit

The new options replace the hyper.num_job_worker_threads and hyper.num_task_worker_threads options available in Tableau Server versions 2018.3 and earlier. The hyper.num_job_worker_threads and hyper.num_task_worker_threads have been deprecated and will no longer work in 2019.1 and later.

SSL Off-loading and SAML

Beginning with version 2018.3, Tableau Server validates SAML response message returned from the IdP. If your organization terminates SSL connections from the IdP at a proxy server before sending the authentication request to Tableau Server, then users may be unable to login with SAML after you upgrade from 2018.2.

In this scenario, SSL is "off-loaded" at the proxy server, which means the https request is terminated at the proxy server and then forwarded to Tableau Server over http. Since SSL is off-loaded at the proxy, Tableau Server will validate with the protocol that it receives (http), but the IdP response is formatted with https, so validation will fail unless your proxy server includes the X-Forwarded-Proto header set to https. See Configuring Proxies for Tableau Server.

What Changed in Version 2018.2

Version 2018.2 includes some significant changes you should know about before upgrading.

For information about what's new in Tableau Server 2018.2, see What's New in Tableau Server.

The following sections summarize the significant changes to Tableau Server 2018.2 and provide links for additional information.

Tableau Services Manager

Beginning with version 2018.2, Tableau Server on Windows is available with Tableau Services Manager (TSM). TSM is the web-based server configuration and management utility that replaces the Server Configuration utility and the tabadmin command line utility. For server administrators who are familiar with earlier versions of Tableau, this means a lot of changes. You can learn about TSM and how it differs from the earlier configuration utility and tabadmin, by reading these topics:

Upgrading from an earlier version of Tableau Server (version 2018.1 or earlier) requires some special steps. If this is your situation, be sure to read this topic:

Moving the repository in a two-node cluster not supported

With the introduction of Tableau Services Manager (TSM), you can no longer move the repository off the initial (primary) node in a two-node cluster. In versions 2018.1 and earlier, you could add a second repository to your second node and then remove the first repository. With TSM you cannot add a second repository on a two-node cluster, and this means you cannot move the repository off the initial node.

Updates to Tableau Server Apache Logs

Apache log files stored in /logs/httpd now contain records with several formatting improvements, including the following:

  • Server names are shown according to the UseCanonicalName setting, which makes it easier to distinguish between nodes in a multi-node server deployment.
  • Date and time are now tracked in a single date-and-time string that can be readily recognized as a single value by a variety of data analysis tools, including Tableau Desktop.
  • Time zones are now easier to parse
    • On Linux, the numerical offset from UTC is provided.
    • On Windows, the name of the timezone is enclosed in quotes

Date, time and time zone formatting changes are illustrated by an example log entry from Tableau Server version 2018.1 and earlier releases:

::1 - - 2018-05-09 08:51:48.872 GMT Daylight Time 80 "POST /vizql/w/Regional/v/Obesity/sessions/A971A92AF77A4F4A9813065BDCEB24D6-0:0/commands/tabsrv/render-tooltip-server HTTP/1.1" "-" 200 445 "593" 135021 WvKolPH4UcM5KrzUbLi8EwAAA@E

For purposes of comparison, here is a log entry from Tableau Server version 2018.2:

10.210.24.3 127.0.0.1 - 2018-05-09T16:07:58.120 "GMT Daylight Time" 80 "POST /vizql/w/Superstore/v/Overview/bootstrapSession/sessions/185CCDC854A44765BB0298E93B403879-0:3 HTTP/1.1" "-" 200 136026 "784" 2370951 WvMOzgKIhfzh9kFWO@ow2gAAA1Y

The Read Only site role is now deprecated

The Read Only site role that was introduced in Tableau Server version 2018.1 is now deprecated. Any users assigned to the Read Only site role in version 2018.1 are reassigned to the Viewer site role after an upgrade to version 2018.2. To learn more about site roles, see Set Users’ Site Roles.

The tabcmd initialuser command prompts for password

In previous versions, the tabcmd initialuser command required a --password parameter to set the initial administrator password. In the tabcmd included with this version of Tableau Server, you can leave the --password parameter out of the command to be prompted in the shell instead. See initialuser.

What Changed in Version 2018.1

Version 2018.1 includes some changes you should know about before upgrading.

For information about what's new in Tableau Server 2018.1, see What's New in Tableau Server.

Removed tabadmin command options

The previously deprecated --license and --administrator options are no longer available when using the tabcmd createsiteusers, tabcmd createusers and tabcmd syncgroup commands. These are breaking changes for any scripts that still use the --license or --administrator options. To update your scripts, use the --role option with these commands to specify the license levels or site roles. For details, see tabcmd Commands.

What Changed in Version 10.5

Version 10.5 includes some changes you should know about before upgrading.

For information about what's new in Tableau Server 10.5, see What's New in Tableau Server.

The following sections summarize the significant changes to Tableau Server 10.5 and provide links for additional information.

Tableau Server configuration changes

Hyper powers the new Data Engine in Tableau Server 10.5 and introduces the changes described below. For more information, see Tableau Server Data Engine.

Beginning with version 10.5, Tableau Installer automatically installs Data Engine when you install file store, Vizportal, VizQLServer, data server, or backgrounder and cannot be installed separately. Every node that has an instance of one of these processes will also have a single instance of the data engine process. You can no longer configure more than one instance of data engine on a node. To learn more about Tableau Server Processes see Tableau Server Processes.

Previously, in versions 10.4 and earlier, for distributed installations, the backgrounder process launched temporary instances of data engine (tdeserver64.exe) process during extract creation or refreshes. In Tableau Server 10.5, a single instance of data engine is installed automatically when you install backgrounder. The backgrounder process uses this single instance of data engine that is installed on the same node. For more information on configuration recommendations, see Distributed Installation Recommendations.

Upgrade may affect your current configuration for a multi-node cluster, especially if you have certain processes isolated on a separate node. For more information, see Tableau Server Data Engine.

Changes to extracts

Beginning with version 10.5, new extracts use the new .hyper format. The improved data engine can read both the .tde and .hyper file formats, so the latest version of Tableau Server can continue to view and read workbooks that are using .tde extracts.

Existing extracts will not automatically be upgraded to the new .hyper format during the Tableau Server or Tableau Desktop upgrade process. Only when certain extract tasks are performed on the .tde extract, the extract is upgraded to the .hyper format. For example, an automatic or scheduled refresh will upgrade a .tde extract to a .hyper extract.

NOTE: Use the Extract API 2.0 to create (.hyper) extracts, which requires Tableau 10.5 and later. If you are using Tableau 10.4 and earlier, continue to use the Tableau SDK to create .tde extracts. The Tableau SDK is no longer being maintained. For more information, see Extract API 2.0.

Version compatibility

Upgraded extracts are not backward compatible. After extracts are upgraded from .tde to .hyper format, they cannot be opened or refreshed in Tableau Desktop 10.4 and earlier. Tableau recommends that Tableau Server and all Tableau Desktops in your organization be on the same version and be upgraded to 10.5 on the same schedule. For more information on specific extract compatibility scenarios, see Impact of extract upgrade

Viewer (can publish) and Unlicensed (can publish) site roles removed

The site roles Viewer (can publish) and Unlicensed (can publish) have been deprecated and are no longer available. Users who have either of these site roles on Tableau Server 10.4 or earlier will be reassigned in Tableau Server 10.5.

Deprecated site role In 10.5 is reassigned to
Viewer (can publish) Viewer
Unlicensed (can publish) Unlicensed

Nested projects and content navigation

You can now create project hierarchies when you want to segment content into sub-sections within a larger area. For example, you might create a project for each department. In each of those top-level projects, you can separate content based on how the audience uses it, such as connecting to certified data versus in-progress collaboration. For more information, see the following articles:

Nested projects and tabcmd

Using tabcmd, you can specify only a top-level project in a project hierarchy. To automate tasks you want to perform on a sub-project or content in a sub-project, you must use the equivalent Tableau REST API call.

Not all actions are available through the REST API. If you use Server on Windows and want to run an unscheduled extract refresh or append a file to an extract, a possible alternative is to use the Tableau Data Extract Command Line Utility.

Filtered search hidden by default

Filtered search options are now located on the right side of pages, and are hidden by default. The toggle is a dark icon () when the Filters pane is open and a light icon () when the Filters pane is closed. For details on searching, see Search Content.

To use filtered search, click .

What Changed in Version 10.4

Version 10.4 includes the following change you should know about before upgrading.

For information about what's new in Tableau Server 10.4, see What's New in Tableau Server.

The following sections summarize the significant changes to Tableau Server 10.4 and provide links for additional information.

Dashboard layouts

The precise dashboard spacing feature added to authoring can cause elements in existing dashboards to shift by a few pixels. This can impact both tiled and floating elements. We suggest that you confirm layouts of existing dashboards during upgrade testing. For more information, see Precise dashboard spacing in Tableau User Help.

What Changed in Version 10.3

There are no changes in version 10.3 that impact upgrading.

For information about what's new in Tableau Server 10.3, see What's New in Tableau Server.

What Changed in Version 10.2

There are no changes in version 10.2 that impact upgrading.

For information about what's new in Tableau Server 10.2, see What's New in Tableau Server.

What Changed in Version 10.1

Version 10.1 includes some changes you should know about before upgrading.

For information about what's new in Tableau Server 10.1, see What's New in Tableau Server.

The following sections summarize the significant changes to Tableau Server 10.1 and provide links for additional information.

TabcmdInstaller.exe no longer installed with Tableau Server

The Setup program for the tabcmd utility is no longer installed to the \extras folder when you install Tableau Server. The utility itself (tabcmd.exe) is still installed to the primary node when you install Tableau Server, but the separate Setup program for installing the utility on other computers is not. If you need to install the tabcmd utility on additional computers, you can download it from Tableau Software. For details, see tabcmd.

What Changed in Version 10.0

Version 10.0 includes some changes you should know about before upgrading.

For information about what's new in Tableau Server 10.0, see What's New in Tableau Server.

The following sections summarize the significant changes to Tableau Server 10.0 and provide links for additional information.

Tableau Server Setup changes

The changes described in this section have a significant impact on the upgrade process.

Manual uninstall of previous version is no longer required

Starting with version 10.0, you can upgrade Tableau Server without first manually uninstalling your previous version (when the previous version is 64-bit 8.2 or later). When you run the setup program, the existing version of Tableau Server is recognized and is uninstalled during the upgrade process.

Note: If you are upgrading to version 10.0 and want, you can manually uninstall the existing version before you upgrade, following the same upgrade process as you would in versions earlier than 10.0.

Setup gives you a backup option

If you follow the new workflow and let the Setup program uninstall your existing version of Tableau Server, you are prompted during the setup process create a full backup of your Tableau installation. This backup is a safety measure and is created for use in the event of an unexpected issue during upgrade. If you already have a backup of the current state of your installation, you can skip the backup during the upgrade to save time. For more information, see Tableau Server Upgrade Options.

Two-node installations are limited to a single instance of the repository

If you configure a two-node installation of Tableau Server, you are limited to a single repository. If you are upgrading from a two-node installation that has two repositories, you will be prompted to remove one instance. For more information, see Install Tableau Server on a Two-Node Cluster.

Domain change from tableausoftware.com to tableau.com

As of version 10.0, the licensing server is located at tableau.com. In versions earlier than 10.0, this was located at tableausoftware.com. Any firewall rules or proxy configurations that specify tableausoftware.com must be updated for version 10.0. For more information on proxy settings, see Configuring Proxies for Tableau Server.

Note: Earlier versions of Tableau Server will continue to access the licensing server on the tableausoftware.com domain. If your organization is running versions of Tableau Server prior to 10.0, continue to use tableausoftware.com for proxy and firewall settings.

Minimum hardware requirements adjusted

With version 10.0, Tableau Server can be installed on a 2-core computer. (Previously, Tableau Server required at least 4 cores.) The 2-core configuration allows you to test Tableau Server on constrained hardware and is intended only for trials and prototyping. For more information, see Minimum Hardware Requirements and Recommendations for Tableau Server.

Tableau Server is no longer available as a 32-bit application

With version 10.0, Tableau Server is available only as a 64-bit application. For information about upgrading a 32-bit version of Tableau Server to version 10, see Upgrade from 32-bit to 64-bit Tableau Server.

Tableau Server no longer supports Windows Vista or Windows Server 2008

With version 10.0, Tableau Server no longer supports Microsoft Windows Vista or Windows Server 2008 (Windows Server 2008 R2 is still supported).

Tableau Server no longer supports older versions of Microsoft Internet Explorer

With version 10.0, Tableau Server no longer supports Microsoft Internet Explorer 8, 9, or 10.

This change impacts customers doing an initial install of Tableau Server on Windows 8.0 or Windows Server 2012 (non-R2). Neither of these operating systems supports Internet Explorer 11.

To complete configuration of Tableau Server you must use a browser on the server computer to add an administrator account. This requires browser that is supported by Tableau Server. This means that on Windows 8.0 and Windows Server 2012 non-R2, you must use the latest version of Chrome, Firefox or Safari. You can uninstall this browser after the initial installation is complete.

Note: This only affects an initial installation and configuration, because no browser is required when upgrading or restoring Tableau Server.

For more information on the Microsoft policy for supporting Internet Explorer, see Microsoft Support Lifecycle.

Tableau Server does not support Microsoft Internet Explorer 11 and higher in compatibility mode

Version 10.0 of Tableau Server does not support legacy compatibility modes in Internet Explorer 11 and higher.

This change impacts you if your users view web pages that have Tableau views embedded in them and that set Internet Explorer to compatibility mode with HTML DOCTYPE values. This can be an issue with SharePoint configurations that force compatibility mode. To avoid having users view web pages that put their browser into compatibility mode, either adjust configurations so that Internet Explorer is not put into compatibility mode, or use another supported browser, such as Chrome, Firefox, or Safari.

API Server process (wgserver) has been removed

The API Server process (wgserver) has been removed from Tableau Server. The process was available but disabled by default in version 9.3. The API Server process was formerly used to support the REST API, but as of version 9.3, this functionality was moved to the Application Server process. The API Server process is now removed, even if you explicitly enabled the process in a previous version of Tableau Server. For information about changes to the REST API, see What's New in the REST API.

Note: For historical reasons, some tabadmin configuration options will continue to use "wgserver" in the option name, but this does not refer to the old API server.

What Changed in Version 9.3

Version 9.3 includes some changes you should know about before upgrading.

For information about what's new in Tableau Server 9.3, see What's New in Tableau Server.

The updates to Tableau Server 9.3 have the following impact:

New default configurations based on hardware

The Tableau Server installer detects your computer's hardware and creates an optimal default configuration for a single-server installation and for the primary server in a multi-server installation. The new default configuration determines the number of processes to run for each Tableau Server process type.

When you upgrade from a single-server or multi-server installation in which you previously accepted the default configuration, the upgrade process changes the configuration to the new hardware-based default configuration. However, if you upgrade a server where you configured a custom number of server processes, the upgrade preserves the custom configuration—both for single-server and multi-server upgrades.

If after you upgrade you want to revert to the previous default configuration, use the following table to determine the number of processes to set in the Tableau Server Configuration utility based on the number of CPU cores on the primary server:

Number of Processes

  VizQL Server Data Server Backgrounder
  Before 9.3 In 9.3 Before 9.3 In 9.3 Before 9.3 In 9.3
8 Cores 2 2 1 2 1 2
12 Cores 2 3 1 2 1 2
16 Cores or more 2 4 1 2 1 2

Note: If the computer where you installed Tableau Server has fewer than eight CPU cores, the default configuration has not changed from running one of each process.

For more information on the defaults for 9.3, see Primary Server Installation Defaults.

For more information on setting the number of processes for Tableau Server, see Reconfigure Processes.

High Availability Postgres Repository - faster failover

Improvements to the failover process now mean that processes do not need to be restarted after the passive repository is made active. This means that the downtime for a repository failover is significantly reduced.

Distributed installation - manual worker upgrades

Due to an update in third-party software, an upgrade to version 9.3 requires manual upgrade of worker nodes. A prompt during installation of 9.3 will let you know that worker nodes cannot be upgraded automatically. for more information on upgrading, see Perform the Upgrade.

API Server (wgserver) deprecated

The API Server process has been deprecated. In version 9.3, the process is still available in Tableau Server, but it is disabled by default for new installations. The API Server process was formerly used to support the REST API, but as of version 9.3, this functionality has been moved to the Application Server process. If you explicitly enabled the API Server process in a previous version of Tableau Server, the process will still be enabled in 9.3.

 

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