ERROR 2556 - Please unjoin the domain before changing the hostname

ISSUE

User gets one of the following error messages while trying change the hostname before unjoining the domain.

SOLUTION

Please unjoin from the domain before changing the hostname. Navigate to the System Settings page in ScaleArc and click on the Windows AD Setup tab. Click on 'Unjoin the AD domain' to unjoin from the domain. Try changing the hostname once more from the System Config tab.