Changing the Domain of SQL Server
The following are areas of concern you should consider when changing the domain of a SQL Server or restoring a database to a SQL Server in a different domain. If you think of anything I missed, please let me know and I'll update this list.
Account Names and Permissions
Application accounts
Credentials (for Agent proxies)
Database mail / SQL mail
Login accounts
Login/User mappings
Service accounts
Communication
Application connections
Aliases
Database mirroring
Linked servers
Log shipping
Firewall ports and protocols
Replication
Clustering
Domain groups (of domain service accounts)
Service Principal Name (SPN)