Symptom
Migration failure from vFMC300 to FMC2600.
After running the migration script the below entries can be observed:
Source Model = Cisco Firepower Management Center for VMWare 300 Target Model = Cisco Firepower Management Center 2600
No migration path exists from the Cisco Firepower Management Center for VMWare 300 -> Cisco Firepower Management Center 2600
******************WARNING: Running this script will modify Management IP Address of this Firepower Management Center using configurations from backup file. Make sure that Firepower Management Center from where backup was taken, is disconnected from network to avoid IP conflict.*********************
Are you sure you want to continue (Y/N)y
Migrating device . . . . . . . . . . . . . . . . . . . . . . . . . . . Migration from R to N is not allowed.. Aborting the restore
Conditions
First found on 7.0.5. Other versions might be also affected.
All conditions must match:
1. The backup source is vFMC300.
2. The migration script is run on FMC2600.
Workaround
Contact Cisco TAC.
Add one entry for 'R = N' or if 'R = O' or a similar entry is already there then add one comma-separated entry as 'N' in '/etc/sf/model_migration_path.conf' file
Example: R = O, N
Further Problem Description
In the documentation the migration from vFMC300 to FMC2600 is supported:
https://www.cisco.com/c/en/us/td/docs/security/firepower/fmc_model_migration/b_FMC_Model_Migration_Guide/about_fmc_model_migration.html
