/mcpWhen Unified Communications Manager is enabled to operate in Enhanced mode, ensure that you change the user credentials for IPMASysUser and IPMASecureSysUser. Else, the IPMA functionalities won't be in a working state and the 'IPMANotStarted' alarms will be triggered. The CLI sessions will be flooded on the next Cisco Tomcat service restart or IPMA service restart. You can change the application user password credentials at documented in the "Manage Application User Password Credential Information" section at: Administration Guide for Cisco Unified Communications Manager. From Cisco Unified CM Administration user interface, navigate to User Management > Application User and click Edit Credential. From the Authentication Rule drop-down list, select Enhanced Security Credential Policy and ensure that you keep the User Must Change at Next Login check box unchecked. You can view the Enhanced Security Mode policies as described in the 'Credential Policy Updates' section. Note Configure Enhanced Security Mode Enable FIPS before you enable Enhanced Security Mode. Use this procedure on all Unified Communications Manager or IM and Presence Service cluster nodes to configure Enhanced Security Mode. You must ensure that services in the IM and Presence Service publishers are in the 'STARTED' state ("Cisco IM and Presence Data Monitor" service and SyncAgent), when you are changing the password on the Unified Communications Manager publisher after enabling the Enhanced Security Mode. Note Procedure Step 1 Log in to the Command Line Interface. Step 2 Run utils EnhancedSecurityMode status command to confirm whether Enhanced Security Mode is enabled. Step 3 Run one of the following commands on a Unified Communications Manager cluster node: • To enable Enhanced Security Mode, run utils EnhancedSecurityMode enable command. • To disable Enhanced Security Mode, run utils EnhancedSecurityMode disable command. Step 4 After enabling Enhanced Security Mode, change the password in the Cisco Unified CM Administration user interface with a new password containing 14 characters. Perform the following after enabling Enhanced Security Mode on Unified Communications Manager publisher: a. Enable Enhanced Security Mode on Unified Communications Manager subscribers. b. Enable Enhanced Security Mode on IM and Presence Service publisher. c. Enable Enhanced Security Mode on IM and Presence Service subscribers. Note Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 251 Advanced System Security Configure Enhanced Security Mode