/mcpReason Quick Description Phone Display Error Code Whenever the database returns an exceptio executing the query or stored procedure t EM Service requests (login/logout or dev query), the EM Service sends this error c EMApp. Database Error Login is unavailable(6) Logout is unavailable(6) 6 No valid query was sent to the EMServic (DeviceUserQuery and UserDeviceQuery a ones). This error occurs because of the E or incorrect XML input. Query type undetermined Login is unavailable(8) Logout is unavailable(8) 8 This error appears in two cases: 1. IMS returns an exception when it atte authenticate a user. 2. When information about a user canno retrieved either from the cache or dat Dir. User Info Error Login is unavailable(9) Logout is unavailable(9) 9 The user tries to log in on behalf of anoth By default, a CCMSysUser has administr rights. User lacks app proxy rights Login is unavailable(10) Logout is unavailable(10) 10 The phone record entry is absent in the d table. Device Does not exist Login is unavailable(11) Logout is unavailable(11) 11 No device profile is associated with the r user. Dev. Profile not found Phone record entry is absent in the device table 12 Another user is already logged in on the p Another user logged in Login is unavailable(18) 18 The system attempted to log out a user w not logged in. This error occurs when sen logout requests from third-party applicatio API). No user logged in Logout is unavailable(19) 19 Enable Extension Mobility is unchecke Phone Configuration window. Hoteling flag error Login is unavailable(20) Logout is unavailable(20) 20 The current user status was not retrieved either the local cache or database. Hoteling Status error Login is unavailable(21) Logout is unavailable(21) 21 Occurs when EM is not enabled on device request is sent via EM API or when the s button is pressed on phone. Dev. logon disabled Login is unavailable(22) 22 Occurs when the given user ID is not fou any of the remote clusters). User does not exist Login is Unavailable (23) Logout is Unavailable (23) 23 Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 450 Receiving Calls Extension Mobility Service Error Codes