How to recover from MSGCPDBCA1 “Handle is not valid” posted repeatedly in QTVTELNET after Certificate Authority deleted from DCM

When deleting certificate authority (CA) certificates from Digital Certificate Manager, if the Telnet Server has a CA Trust List defined and the CA certificate deleted is on the Telnet Server CA Trust List, new secure Telnet connections can quit working and message CPDBCA1 “Handle is not valid” is posted repeatedly to the Telnet Server QTVTELNET job log.