If your application is non-critical (e.g., undergraduate teaching lab, infrequent hobbyist use), a standard key suffices. But if you answer “yes” to any of these questions, upgrade immediately:
If you use DPAPI (Data Protection API) or EFS (Encrypting File System), changing the SID can permanently lock you out of your encrypted files. The encryption keys are often tied to the original SID. sidchg key extra quality
Word Count: 550