Error Code Portal
MicrosoftWindows Win32Error code

8221

ERROR_PROMOTION_ACTIVE

Alternative forms: 0x0000201D · 0x201D · ERROR_PROMOTION_ACTIVE · 0x8007201D

Code 8221 · An issue reported by Windows Win32.

A domain controller promotion is currently active.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.