This article contains some cases about problems in CEM environment, where you can find their root cause and possible solution for your case.
Note!:
- All these description steps were done, using SMP 7.5 SP1 release build!
List of cases to check in attached "CEM issues troubleshooting.docx":
- Impossible to enable "Reporting" for added SMP Server in CEM Gateway and you're receiving "Failed to contact the server and retrieve the certificate details" pop-up message.
- Managed endpoint is in Internet and has CEM enabled and connected to SMP via CEM Gateway but unable to register with SMP.
- CEM offline Agent package generation fails.
- Warning message appears in log viewer on CEM Gateway machine after each restart of Gateway service.
- Client has lost connection with CEM Gateway because client's date is different than on CEM Gateway.
- Client in CEM mode has lost connection with CEM Gateway because administrator has changed current certificate to another self-signed or "3rd party" certificate for "Symantec Agent" :4726 Web Site on SMP Server.
- CEM Client is unable to register with remote Task Server.
- CEM Client unable to establish connection to CEM Gateway or to SMP Server via CEM Gateway.
- CEM Client unable to establish connection to CEM Gateway due certificate thumbprint mismatch.
- CEM Client unable to establish connection to SMP Server via CEM Gateway due 403 Forbidden error in CEM Gateway log
Also you can check this link to see basic description about how to install CEM functionality