Waitopedia is a comprehensive resource of information about SQL Server waits.

The description shown below is the top answer as voted by the Spotlight community.

The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.

PREEMPTIVE_COM_STRMUNLOCKREGION

Category: Other
SQL Server versions: 2008, 2008 R2, 2012, 2014, 2016, 2017

What is PREEMPTIVE_COM_STRMUNLOCKREGION?

Never

This wait has never occurred recently

PREEMPTIVE_COM_STRMUNLOCKREGION has not occurred recently on 4207 instances checked.

Prevalence of PREEMPTIVE_COM_STRMUNLOCKREGION across the Spotlight Population