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Home > Success Center > Patch Manager > Patch Manager - Knowledgebase Articles > Invalid data error when accessing WSUS

Invalid data error when accessing WSUS

Updated March 6, 2018


When you access WSUS from the Patch Manager Administrator Console (either Updates or Computer Groups), the following error displays:

The data is invalid

Additionally, you will see this error 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 MEKey, and then hit the backspace key to delete the value.
  5. Click OK.
  6. Repeat this procedure for the MPKey string.
  7. Start the EminentWare Data Grid Server service.
  8. Re-open the Patch Manager Administrator Console.
    If the issue is not resolved, contact Support.


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