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Unable to access the Subscriber Cisco CallManager server from the serviceability page of the Publisher Cisco CallManager Server and the "Connection to the server could not be established" error message appears


Core Issue

The Service Activation page on the publisher shows the subscriber record as unable to connect. On the subscriber the opposite, the publisher record shows that it cannot connect. In the application log, there are database connection failures. If you run AdminUtility on the publisher, it also fails.


In order to resolve this issue, complete these steps:

  1. Run the DBLHelper.exe Utility on the Publisher Server from the c:\program files\cisco\bin and check for all the green faces in the Utility. Refer to Using DBLHelper to Reestablish a Broken Cisco CallManager Cluster SQL Subscription for more information.

  2. If there are red smilies in the DBLHelper.exe output then complete the instructions in the procedure in Reestablishing a Broken CallManager Cluster SQL Subscription with Cisco CallManager.

  3. Reset the passwords on the servers in the cluster with CCMPWDChanger Utility in a sync.

  4. Also reset the CTIManagers on each server.
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