Error Code Portal
MicrosoftWindows Win32Error code

8490

ERROR_DS_PDC_OPERATION_IN_PROGRESS

Alternative forms: 0x0000212A · 0x212A · ERROR_DS_PDC_OPERATION_IN_PROGRESS · 0x8007212A

Code 8490 · An issue reported by Windows Win32.

Another operation which requires exclusive access to the PDC FSMO is already in progress.

Troubleshooting and diagnostic links

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