Support

Database problem (MDAC/WinDAC)

Sandra management console or Sandra service (agent) complain that they cannot access the database, possibly due to MDAC problems.

It seems the MDAC/WinDAC (database components) are damaged or their registration is damaged. Sadly it is very sensible and prone to such mishaps as it is not protected by Windows' protection system.

MDAC on Windows 2000, XP, 2003: please follow the steps below:
1. Try registering the Jet/Access libs manually by typing in a console/command prompt: regsvr32 MsJetOleDb40.dll
2. Please see this good explanation from Microsoft's own forums MDAC issue or here MDAC XP fix.
  "first, locate the mdac.inf file in "c:\windows\inf"; right click and install when prompted for a location, point to "c:\windows\servicepackfiles\i386" then when prompted for the XP CD, either load the CD or point to ":\i386" folder"
WinDAC on Windows Vista, 2008: we have not found a solution at this time, sorry.
We have not found an easy solution to this problem. It seems the MDAC/WinDAC (database components) registration is damaged which causes the database server to crash. As with most major Windows problems, a Windows reinstall is the only sure way to fix this issue.

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