Error is received when trying to push Agent Product Update to Unix agents.
Failed to start the remote update process on agent.
Verifying signature of the package files... Failed to install updates on agent <agent machine name>
Signature verification failed for file D:\Program Files (x86)\Symantec\CCS\Reporting and Analytics\DPS\AgentUpdate\PU\apu-11.10\lnx-x86\smime\agentupdatemanifest.xml
Agent version 11.10.10000.1160
\Program Files (x86)\Symantec\CCS\Reporting and Analytics\ESM folder was missing subfolders.
If you are receiving this error, please check this folder and verify that both the gnupg folder and the x509 folder are present. Also verify the the x509 folder contains all three subfolders. See image below for the correct \Program Files (x86)\Symantec\CCS\Reporting and Analytics\ESM folder contents: