Return
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Title
Monitored Server - Windows Connection Failure: OOPCollector request failed : Connection refused: -
Description
Getting the following alert;
Monitored Server - Windows Connection Failure: OOPCollector request failed : Connection refused
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Resolution
OOPCollector process is responsible for collecting data running from DiagnosticServer machine to monitor the host and SQL Server instance. The alert happens when OOPCollector cannot connect and collect data within a given period of time. This can be due to slowness in network between DS machine and monitored host or network device ( hub, switch, router ) may cause this error.
Check with your network administrator to see if there are any packets being dropped betwen the two machines.
Test the network link between the DS and monitored machine using the netstat command.If there are no problems with network connectivity, upgrade Spotlight on SQL Server Enterprise to the latest edition of the product. -
Additional Information
Restarting Quest Diagnostic Server (DS) service may temporarily resolve the problem