/mcpagain. If resetting the phone does not solve the issue, restart the Load server or TFTP server (whichever server provides the firmware load files). 14 The data that the phone received from the Load server or TFTP server was not intact; not enough information was received. Restart the phone to begin the download process again. 15 The data that the phone received from the Load server or TFTP server was not intact; too much information was received. Restart the phone to begin the download process again. 16 The phone cannot connect to the network; check for network connectivity to the image firmware load server or the TFTP server and correct any broken connection. Restart the phone to attempt connection again unless the restart occurs automatically. 17 The DNS server name that the phone is attempting to connect to could not be resolved. Examine the DNS server name(s) in the phone settings to verify that the information is accurate and if not, update the name on the phone. Restart the phone unless the restart occurs automatically. 18 No DNS server - Configure a DNS server IP address on the phone settings. Restart 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 314/343