The System Center Management service stops responding after an instance of SQL Server goes offline
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\System Center\2010\Common\DAL
DWORD value name: DALInitiateClearPool
DWORD data: 1 (Decimal)
DWORD value name: DALInitiateClearPoolSeconds
DWORD data: 60 (Decimal)
Microsoft Support: The System Center Management service stops responding after an instance of SQL Server goes offline