DAT update fails due to the root certificate validation check

Technical Articles ID: KB93156
Last Modified: 2023-06-26 08:56:02 Etc/GMT

Security for Microsoft Exchange (SME) 8.8.x

Automatic and manual DAT updates fail.

SME DLLs are digitally signed. A new certificate was added in a recent release.

Navigate to the following path, and verify that the system can validate that the SME DLLs are verified with a Certificate Authority.

Navigate to the following location: Installation_folder\McAfee\MSME\bin.
Right-click CSEConfigurator.dll and click Properties.
Navigate to Digitial signature
Select SHA-256 license and click View details.
Check that the system can verify the certificate. If verified, it shows "This digital Signature is OK"

Update the operating system root certificates.

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