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BugZero found this defect 2348 days ago.
When adding a computer to a protection group, the Veeam Agent for Microsoft Windows deployment begins and then fails with the following error:
This error occurs because the certificates used to sign the Veeam Agent for Microsoft Windows installer package cannot be validated by the remote machine. This occurs when the Certification Authority (CA) certificate is not installed in the Trusted Root Certification Authority store on the machine where Veeam Agent for Microsoft Windows is being deployed. Such CA certificates are usually located in Trusted Root Certification Authorities of the default Microsoft Windows installation and are updated as a part of the Microsoft Windows update.
To resolve this issue, you must install the trusted root or intermediate certificate in the certificate store of the target computer OS. Note that the certificate name hints to where it must be stored: Root certificates must be installed in Trusted Root Certification Authorities. Intermediate certificates must be installed in Intermediate Certification Authorities.
Note: Veeam Agent for Microsoft Windows version 3.0 and earlier were signed using root certificates from a different CA. Use the Sigcheck utility to determine which certificate is needed and install the correct root certificate.