Error Code Portal
MicrosoftWindows Win32Error code

8554

ERROR_DS_INVALID_NAME_FOR_SPN

Alternative forms: 0x0000216A · 0x216A · ERROR_DS_INVALID_NAME_FOR_SPN · 0x8007216A

Code 8554 · An issue reported by Windows Win32.

A Service Principal Name (SPN) could not be constructed because the provided hostname is not in the necessary format.

Troubleshooting and diagnostic links

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