Symptoms
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Windows built-in Administrator was renamed to a different name and does not exist at Computer Management > Local Users and Groups > Users.
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When restarting any service via Plesk Services Monitor, the operation fails with the following error message in a popup window:
Access is denied. (Error code 5) at Unable to connect to pipe .pipeP_047a9f38-4df5-807f-33791b74c301
at (Con::ClientOverlappedPipe::create line 503)
at get shared instance of PleskSrcClient(PleskSrvClient::getInstance line 334)
at Execute --start-plesk-website(execPleskUtil line 111) -
When running any Plesk utility in a command prompt, the following error message appears:
C:> plesk version
Access is denied
Cause
Plesk requires Windows built-in Administrator to work properly.
Resolution
Recreate the Administrator user by renaming it back or creating a new one with all required privileges and groups.