Whenever the SolarWinds Update catalog tries to synchronize it fails with the following error:
Unexpected website connection issue when trying to download 'https://3pupcontent.solarwinds.com/Content/Fetch': The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.
Certificates are no longer present in the Certificate Authority or they have expired and need to be updated.
Install the Go Daddy Class 2 Certification Authority certificate to Trusted Root Certification Authorities:
Install the VeriSign Class 3 Public Primary Certification Authority - G5 certificate to Trusted Root Certification Authorities:
You will also want to run gpedit.msc and check whether the Turn off Automatic Root Certificates Update option is Disabled under Computer Configuration -> Administrative Templates -> System -> Internet Communication Management -> Internet Communication settings. If it is, enable it, make sure the change has replicated, and then re-check the issue.
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