Validation of a CUCM fail with details as shown:
This can be caused by either the CTI Manager service not running or by TLS certificates having been changed on the CUCM without restarting the CTI Manager service.
Restart the CTI Manager Service on the CUCM.
Cisco's JTAPI Test Tool (version 10.x) can be used to investigate the connection problem if restarting the service did not resolve the issue. The tool should be run from the same machine running the Vyopta Data Collector and will execute using purely Cisco code.
Should the CTI Manager service be running, there are no network issues preventing connection and the test tool return an error then Cisco should be consulted regarding the cause.
The JTAPI Test Tool and its documentation can be found here:
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