/mcpIf EM login profiles are logged out, users can log in again, or log in only when Unified Communications Manager is active after the switch version. Note Host Not Found Problem The “Host Not Found” error message appears on the phone. Solution Check that the Cisco Tomcat service is running by selecting Tools > Control Center—Network Services in CIsco Unified Serviceability. HTTP Error Problem HTTP Error (503) appears on the phone. Solution • If you get this error when you press the Services button, check that the Cisco IP Phone Services service is running by selecting Tools > Control Center—Network Services in Cisco Unified Serviceability. • If you get this error when you select Extension Mobility service, check that the Cisco Extension Mobility Application service is running by selecting Tools > Control Center—Network Services in Cisco Unified Serviceability. Phone Resets Problem After users log in or log out, their phones reset instead of restarting. Possible Cause Locale change is the probable cause of the reset. Solution No action is required. If the user locale that is associated with the logged-in user or profile is not the same as the locale or device, after a successful login the phone will restart and then reset. This pattern occurs because the phone configuration file is rebuilt. Phone Services Unavailable After Login Problem After logging in, the user finds that the phone services are not available. Possible Cause This problem occurs because the user profile had no services associated with it when it was loaded on the phone. Solution • Ensure that the user profile includes the Cisco Extension Mobility service. • Change the configuration of the phone where the user is logged in to include Cisco Extension Mobility. After the phone is updated, the user can access the phone services. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 418 Receiving Calls Host Not Found