Environment
- App Control Server: 8.8.2 and Higher
- App Control Agent: 8.7.2 and Higher
- Microsoft Windows: All Supported Versions
Symptoms
Error when attempting to upgrade Agent via Console:
Agent upgrade: Failed to download upgrade package: https://ServerAddress/hostpkg/pkg.php?pkg=/ParityHostAgent.msi. WinHttpReceiveResponse: Server validation failed, mismatched public key supplied.
This error happened 2 time(s)"
Cause
The certificate bound to the
Resource Download Location (RDL) is not currently Trusted in the Trusted Communication Certificate list.
Resolution
- Verify the Resource Download Location (RDL) is accurate and contains the necessary files.
- Verify the certificate used for the RDL matches a certificate listed as Trusted in the Console > System Configuration > Security > Trusted Communication Certificates.
- If the certificate is already in the list:
Additional Notes
- If SSL Inspection, or some other network filtering/monitoring, is happening on Port 443 between the endpoint and the file download, this could cause difficulty in acquiring the file.
- If the issue persists, please open a case with Support and provide the Agent Historical Logs as well as a screenshot of the full page from the Console > System Configuration > Security
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