Site Component Manager failed to remove all accounts, files, and registry keys associated with the Configuration Manager ...

%11Site Component Manager failed to remove all accounts, files, and registry keys associated with the Configuration Manager Server Components from site system "%1".%0

Solution: Review the previous status messages to determine the exact reason for the failure. This operation has repeatedly failed for %2 minutes and will probably never succeed, therefore Site Component Manager not retry this operation again. You might ignore this message and do nothing if the site system is no longer in service or the operating system has been reinstalled on the site system. Otherwise some remnants of the Configuration Manager Server Components might still be installed on this site system, and you will have to manually remove them. Please refer to your ConfigMgr Documentation or the Microsoft Knowledge Base for further information.%0