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.
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Occurs when a task is waiting on an event that is used to manage state transition. This state controls when the recovery of Microsoft Distributed Transaction Coordinator (MS DTC) transactions occurs after SQL Server receives notification that the MS DTC service has become unavailable. This state also describes a task that is waiting when a commit of a MS DTC transaction is initiated by SQL Server and SQL Server is waiting for the MS DTC commit to finish. Information from Microsoft®
answered 3318 days ago
Spotlight Essentials
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This wait never occurs for most instances
For each of 4207 instances, we ranked DTC on how frequent it is compared to all other recent waits. The chart shows the total of all rankings.
For 15 % of hours with this wait, average wait time is around 10 ms
For each instance, we found all the recent hours when it had a DTC wait. We found the average latency for each of those hours.
140 instances contributed data to this chart