A Control Compliance Suite (CCS) 12.5.1 Agent Update hotfix is available to update required certificates on the agent. The updated certificates enable future upgrades to work without issues. 

You must apply this hotfix using the APU mechanism prior to June 5, 2021. The current certificates will expire on June 5, 2021. If the certificates are not updated, APU and ACU jobs will not work on the agents. 

For additional details, including installation instructions, see the readme file that is included with the hotfix package. 

To obtain the hotfix, go to the Product Downloads portal and download HF_10128_CCS_v12.5.1_APU.zip for Control Compliance Suite.