Return
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Title
Some collections failing with Unknown reason for failure [7654320] -
Description
I have two connections that are failing on a single connection with the message "Unknown reason for failure [7654320]" . -
Cause
The OOPCollector maintains the state of the connections to hosts, instances etc. it has made as requested by the Diagnostic Server (DS). However because the DS and OOPCollector are separate processes it is possible for one of them to restart due to an error and for the state of the connections to get out of synch.Sometimes this results in the OOPCollector rejecting a new connection because it already has one of the same type and identifier. This can cause the connection to get into a situation where the DS wants a new connection to be made but the OOPCollector keeps refusing to do that because it has already done so in the past. To fix this the OOPCollector should be changed so that when a new connection is requested but it already has one of that type and identifier it should close the existing connection if it is open and create a new one to replace it.
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Resolution
WORKAROUND
Restart the Diagnostic Server.STATUS
Issue fixed in version 11.5. The latest version of Spotlight on SQL Server Enterprise can be downloaded at: https://www.quest.com/products/
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Defect ID
SOSSE-4226