/mcp14 An encryption error occurred on the phone while trying to load the new configuration file; reset the phone to correct the issue 15 The downloaded configuration file is not encrypted. Verify that security or authentication mode of phone is same as what is configured in Unified CM for that phone and that the server that provides configuration file has that encrypted file 16 The downloaded configuration file cannot be decrypted using the decryption key on the phone (resulting in an encryption key mismatch). If you have provided the configuration file encryption key, try re-encrypting the configuration file with the key that matches the key already on the phone, then attempt the download again. Otherwise, collect the phone logs from the time of this alarm (review the steps in the Administration Guide for the appropriate phone model to learn how to access the phone logs) and contact the Cisco Technical Assistance Center (TAC). 17 There is a problem with the encryption of the downloaded configuration file. Collect pertinent details such as the device's MAC address, device type, the configuration file, and phone logs from the time of this alarm (review the steps in the Administration Guide for the 5/24/26, 3:34 AM System Error Messages for Cisco Unified Communications Manager 15 - Cisco https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/err_msgs/15_x/ccmalarms15.html 320/343