Hi everyone,

We recently migrated all of our users from Site A to Site B. Now, I'm trying to remove the Exchange mailbox servers that were in Site A, since we're going to be decommissioning the site. All of these mailbox servers have been removed from the cross-site DAG, and all other services have been moved over to Site B as well (mail flow, CAS, etc). However, when I try and uninstall Exchange from any of the seven mailbox servers (I've tried it on two so far, with the same result), I get the following error at Step 7 of 11:

Error:

The following error was generated when "$error.Clear();

          & $RoleBinPath\ServiceControl.ps1 DisableServices $RoleRoles.Replace('Role','').Split(',');

          & $RoleBinPath\ServiceControl.ps1 Stop $RoleRoles.Replace('Role','').Split(',')

        " was run: "Service 'Microsoft Exchange Information Store (MSExchangeIS)' cannot be configured due to the following error: The specified service has been marked for deletion".

If I exit the Uninstall sessions, and then reboot in order to try again, it just states "An incomplete installation was detected. Run setup to complete Exchange installation." It appears that all Exchange files are still on the server too, however, the server in question is no longer listed in the EAC under the "Servers" section.

Any ideas?

Hi,

According to this error, this issue may be caused by legacy PF database replicas and legacy Mailbox store pointing to the PF database. Please try to delete the legacy PF database container from ADSIedit.msc, the run setup and reboot the server to solve this issue.

The path in ADSIedit should be like this:

CN=Mailbox Database ,CN=Databases,CN=Exchange Administrative Group ,CN=Administrative Groups,CN=Your company name, CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=Your company name,DC=com

Please collect other relative events in Application logs for troubleshooting.

Best Regards.

Try a reboot.  I've seen the "Service Marked for Deletion" errors before on other products, and 9 time out of 10, a reboot allows what ever you are trying to do to go through.