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Home > Success Center > Patch Manager > The data is invalid error when accessing WSUS

The data is invalid error when accessing WSUS

Updated December 12, 2016


You get the following error when trying to access WSUS from the Patch Manager console (either Updates or Computer Groups):

The data is invalid


Additionally you will see these errors from any tasks that try to contact the WSUS server.


All Patch Manager versions


The MEKey and MPKey registry values need to be reset or cleared.



  1. Stop the EminentWare Data Grid Server service.
  2. Open Registry Editor (regedit).
  3. Expand HKEY_LOCAL_MACHINE\SOFTWARE\EminentWare\Data Grid Service\Roles\Application, and then select Data.
  4. Double click on MEKey, and then hit the backspace key to delete the value.
  5. Click OK.
  6. Do the same for the MPKey string.
  7. Start the EminentWare Data Grid Server service and re-open the Patch Manager console.
  8. If this does not resolve the issue please contact Support.


Last modified
17:05, 11 Dec 2016