ADMT ERR2:7621 while migrating accounts within the forest
While performing intra-forest migration of user accounts with the help of Active Directory Migration Tool (ADMT) you can get the following error:
ERR2:7621 Failed to move source object 'CN=migrTEST'. Verify that the caller's account is not marked sensitive and therefore cannot be delegated. hr=0x8009030e No credentials are available in the security package
This could be because of following setting in your source domain controllers properties (select DC in AD Users and Computers snap-in and right-click):
Notice that Do not trust this computer for delegation is set.
The right value for migration is Trust this computer for delegation to any service (Kerberos only):