Bug Check 0xDF: IMPERSONATING_WORKER_THREAD

The IMPERSONATING_WORKER_THREAD bug check has a value of 0x000000DF. This indicates that a workitem did not disable impersonation before it completed.

Important

This article is for programmers. If you're a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.

IMPERSONATING_WORKER_THREAD Parameters

Parameter	Description
1	The worker routine that caused this error
2	The parameter passed to this worker routine
3	A pointer to the work item
4	Reserved

Cause

A worker thread was impersonating another process, and failed to disable impersonation before it returned.