Debugging Tools for Windows

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.

Parameters

The following parameters are displayed on the blue screen.

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.

Build machine: CAPEBUILD