i have configured phone migration services step by step via the configuration guide here, https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1SU4/cucm_b_feature-configuration-guide-cisco1251su4/cucm_m_phone-replacement-migration-ivr-phone.html#task_5421246AD6AAC15BAAAEEAE4D18210F3
1. I've removed the old phone from the network
2. Connected the new phone. It boots to migration screen
3. i select 2 replace an existing phone
4. enter the primary extension
5. enter the pin
6. i get migration is successful the phone will restart
7. phone boots to the migration screen again
I am attempting to migrate a 7965 with phone load SCCP45.9-4-2SR4-3S to an 8841 phone load sip88xx.14-0-1-0001-135
i'm running CUCM 12.5.1.15900-66 with auto registration disabled and self provisioning authentication set to Allow authentication for users and administrators. i have set the Auth Code and both User PIN and Auth Code are working. Just can't get past the boot loop.