What does BSOD 236 (SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT) mean?

 
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DIRTY_MAPPED_PAGES_CONGESTION UNMOUNTABLE_BOOT_VOLUME

SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT

The SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT bug check has a value of 0x000000EC. This indicates that a session unload occurred while a session driver still held memory.

Important

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

SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT Parameters

Parameter Description

1

The session ID

2

The number of special pool pages that are leaking

3

Reserved

4

Reserved

Cause

This error is caused by a session driver not freeing its special pool allocations prior to a session unload. For SESSION_HAS_VALID_SPECIAL_POOL_ON_EXIT, this indicates a bug in win32k.sys, atmfd.dll, rdpdd.dll, or a video driver.


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