Hello,
Recently we reinstalled single node CUCM 8.5.1 system.
Restore from backup (DRS) did not restore several certificates:
CallManager.pem
CAPF.pem
TVS.pem
These certificates was created during fresh install and was not restored from backup.
As a result phones can't verify signatures on TFTP config files.
What can be done except erasing ITL on phones ?