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The SolarWinds Orion Core Business Layer keeps crashing with the following out of memory error message.
Service was unable to open new database connection when requested.
OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
The following error message is seen in SolarwindsDiagnostics\LogFiles\Orion\Core.BusinessLayer.log.
2016-02-08 20:32:18,845  ERROR SolarWinds.InformationService.Contract2.InfoServiceProxy - An error occured opening a connection to the orion communication service.
System.TimeoutException: The open operation did not complete within the allotted timeout of 00:01:00. The time allotted to this operation may have been a portion of a longer timeout. ---> System.TimeoutException: The socket transfer timed out after 00:01:00. You have exceeded the timeout set on your binding. The time allotted to this operation may have been a portion of a longer timeout. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
This may be due to any of the following:
Install HotFix 1 or upgrade NPM to 11.5.3, which includes all previous HotFixes. Go to the SolarWinds Customer Portal site to download the HotFix and latest version of NPM.