This document describes most of the reasons that the Cisco Unified Communications Manager CUCM web pages or CUCM User page is not displayed or gives an error. The information in this document was created from the devices in a specific lab environment.

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All of the devices used in this document started with a cleared default configuration. If your network is live, make sure that you understand the potential impact of any command. When you try to log in to the CUCM Admin web page from Publisher, the 'Database communication error' error is received.

You are able to log in to the CUCM Admin web page from Subscriber, but any changes on CUCM cause one of these errors: The Insert privilege is required for this operation.

This issue can occur when you try to log in to the server after changes are made in the Publisher server, such as when the hostname or IP address is changed either through the CLI or the Operating System OS Admin page.

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In this case, revert the changes made back to the old configuration in order to let you log in. If no changes were made to CUCM Publisher and you still receive the Database Communications Error message, then check these items:. Also, the inability to access the CUCM page of Publisher might be because of a database communication error where Informix does not accept any more connections. This issue is also documented by Cisco bug ID CSCtl The workaround for this is to enter these commands from the CLI:.

Enter the utils service start A Cisco DB command in order to start the A Cisco DB service. If the service does not start, then call the Cisco Technical Assistance Center TAC in order to start the service from root.

In few cases, if cisco callmanager express invalid its command options DB is corrupted then a rebuild of CUCM is necessary. You are unable to access the other CUCM nodes from the Serviceability page of the CUCM that you are currently logged in. The error message displayed is 'Connection to the Server cannot be established Unable to access remote node '.

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This known defect is documented in Cisco bug ID CSCth These known defects are documented in Cisco bug IDs CSCui and CSCud The error message displayed is 'Connection to the Server cannot be wash and rinse stock market Certificate Exception '.

This known defect is documented in Cisco bug ID CSCup These known defects are documented in Cisco bug IDs CSCub and CSCui The paste operation of the password into the Password field in CUCM End user login page is not supported.

This will not work with Internet Explorer IEFirefox, or Chrome. This is added as part of CUCM Version 9. You are unable to access Enterprise License Manager ELM with Firefox and Chrome, but this works fine with IE. When you log in to ELM with Firefox or Chrome, none of the options are available. This known defect is documented in Cisco bug ID CSCul This issue has been fixed in versions of CUCM 9. ELM can be accessed with Firefox, IE, and Chrome.

Minutes is mandatory and is the number of minutes after which sessions are declared to be invalid. The range is 5 to If you continue with this operation, it sets the session-timeout for web sessions to 5 minutes after the Cisco Tomcat service has been buying stock margin loans or after the make money with gdi has been rebooted.

Event ID: 3

The Cisco Tomcat service needs to be restarted for the changes to take effect immediately. This disconnects active web sessions. Do not press Ctrl-C while the service RESTARTS. If the service has not restarted properly, enter the same command again. The Cisco Tomcat service restarted successfully.

New web sessions time out after 5 minutes. The current session-timeout used for web sessions and applications is 5 minutes. See the Cisco Unified Communications Manager System Guide for details in regards to Roles and User Groups.

You are unable to access any options from the Disaster Recovery System DRF page of CUCM after you log in. You might get this message:.

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Support Product Support Unified Communications Cisco Unified Communications Manager CallManager Troubleshoot and Alerts Troubleshooting TechNotes Troubleshoot CUCM Web GUI Issues. Connection to the Server Cannot Be Established Unable to Access the Remote Node. Connection to the Server Cannot Be Established Unknown Error. Connection to the Server Cannot Be Established Certificate Exception.

Unable to Access ELM with Firefox and Chrome. Local Agent Does Not Respond, the Master or Local Agent Might Be Down. Contributed by Cisco Engineers Jomon Augustine and Krishna Pradeep Venugopalan. Was this Document Helpful? Let Us Help Open a Support Case Requires a Cisco Service Contract. This Document Applies to These Products Unified Communications Manager CallManager. Support Downloads Documentation Communities DevNet Learning Network Support Community Video Portal Certifications Events Industries Inside Cisco Products Service Provider Services Technology Trends TechWiseTV.

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