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Number of blocked descendants: Unknown

What are the causes when I get a Blocking Process alert, but the Number of blocked descendants shows 'Unknown'.
There is a value against Total blocking duration for all descendants, but there are no blocked processes shown on the Processes tab.


SQL Monitor 7.0.11.7623
kevriley
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  • Alex B
    Hi Kev,

    This appears to be the case when the blocking is for parallel threads within the same process rather than external processes. I've reported this to the developers as SRP-11256 to see if we can get a better message shown.

    Kind regards,
    Alex
    Alex B
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