Tableau Server Is Down in Degraded State After Run as User Password Changes or Expires

Issue

When the Run As User's password changes or the user account expires in Active Directory, Tableau Server will start in a degraded state after a system reboot, and Tableau Server will not be accessible. Updating the Run As User password in the TSM UI or with the command line "tsm configuration set -k runas.service.password -v <password>" commands has no effect.

Environment

Tableau Server 2018.2, 2018.3, 2019.1
Windows Server 2012r2 or Windows Server 2016

Resolution

To recover Tableau Server, perform the following steps:

Stop Tableau Server.
Log onto each node in the cluster and perform the following:
In the Windows Services (services.msc), double-click on the "Tableau Server Services Manager".
Ensure "Startup type" on the "General" tab is set to "Automatic".
Click the "Log On" tab.
Update the password.
Click OK.
Right-click on "Tableau Server Services Manager" and click "Start" to restart the service.
Then, only on the initial node:
Update the Run As User information using this article https://onlinehelp.tableau.com/current/server/en-us/runas_acct.htm.
Start Tableau Server