Solving Cisco CallManager Problems

This chapter explains how to solve Cisco CallManager software problems.

Note See "Solving Voice Problems" for information about problems related to IP phones, trunks, lines, and voice interface cards (VICs).

Troubleshooting Cisco CallManager

Use Table 6-1 to find the likely cause of problems associated with Cisco CallManager 3.0. Each problem is described in detail in the sections below.

Table 6-1: Cisco CallManager 3.0 Problems and Causes

Problem Possible Cause

Attempting to view a Cisco CallManager 3.0 Web page results in an error.

Access denied

Calls cannot be placed or other voice applications close unexpectedly.

Cisco CallManager shutdown

Problem	Possible Cause
Attempting to view a Cisco CallManager 3.0 Web page results in an error.	Access denied
Calls cannot be placed or other voice applications close unexpectedly.	Cisco CallManager shutdown

Access Denied

Unable to start a DCOM Server... Access is Denied...

Explanation The system does not have read permission on the Cisco CallManager 3.0 directory or there is a Cisco CallManager database error.

Action Ensure that the user system has read permission by completing the following steps:

Step 1 Browse to the directory where Cisco CallManager 3.0 is installed.

Step 2 Click on the Security tab.

Step 3 Click Permissions.

Step 4 Ensure that the user system has read permission on this directory.

Cisco CallManager Shutdown

Explanation Following a Cisco CallManager shutdown or restart, any calls that are being placed through Cisco CallManager are disconnected.

Action Determine whether the Cisco CallManager outage is planned (scheduled by an administrator) or unplanned:

Planned. Coordinate with the administrator to ensure that an orderly Cisco CallManager shutdown takes place by first verifying that there are no active caller sessions and by shutting down plug-ins and other applications associated with Cisco CallManager, in accordance with the instructions in Cisco CallManager documentation.
Unplanned. Verify that there are no environmental or power problems affecting the Cisco ICS 7750 (see "System Troubleshooting Guidelines") and that the system processing engine (SPE) on which Cisco CallManager is installed is functioning properly (see "Solving Hardware Problems").

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