/mcpExtension Mobility Roaming Across Cluster Extension Mobility Cross Cluster (EMCC) Extension Mobility (EM) Superuser information maintained in all the cluster. Must be maintained in all clusters. Single cluster only User Information Extension Mobility Roaming Across Clusters Troubleshooting This section provides information about error codes for EMApp and EMService. Authentication Error Problem “Error 201 Authentication Error” appears on the phone. Solution The user should check that the correct user ID and PIN were entered; the user should check with the system administrator that the user ID and PIN are correct. Blank User ID or PIN Problem “Error 202 Blank User ID or PIN” appears on the phone. Solution Enter a valid user ID and PIN. Busy Please Try Again Problem “Error 26 Busy Please Try Again” appears on the phone. Solution Check whether the number of concurrent login and logout requests is greater than the Maximum Concurrent requests service parameter. If so, lower the number of concurrent requests. To verify the number of concurrent login and logout requests, use the Cisco Unified Real-Time Monitoring Tool to view the Requests In Progress counter in the Extension Mobility object. For more information, see the Cisco Unified Real-Time Monitoring Tool Administration Guide at http://www.cisco.com/c/en/us/support/ unified-communications/unified-communications-manager-callmanager/products-maintenance-guides-list.html Note Database Error Problem “Error 6 Database Error” appears on the phone. Solution Check whether a large number of requests exists. If a large number of requests exists, the Requests In Progress counter in the Extension Mobility object counter shows a high value. If the requests are rejected because of a large number of concurrent requests, the Requests Throttled counter also shows a high value. Collect detailed database logs. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 463 Receiving Calls Extension Mobility Roaming Across Clusters Troubleshooting