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Updated August 2, 2016
This article addresses the issue where the remote certificate is invalid according to the validation procedure in Patch Manager.
All Patch Manager versions
This error occurs when the SSL certificate is missing or mismatched between Patch Manager and a WSUS server using SSL.
When using SSL in WSUS, the certificate will need to be imported into Patch Manager as well. Patch Manager handles this automatically if the SSL options are enabled when adding a WSUS server.
If the WSUS already exists, it will need to be re-added to trigger the import again. This will remove the existing WSUS Inventory information associated with the WSUS server, but once re-added the next Inventory task should repopulate the report. This step is necessary for Patch Manager to appropriately import the SSL certificate.
To remove an existing WSUS server:
To re-add the WSUS server: