After installing the Application Insights Monitoring Agent on one of our Application Servers, users started to complain that the Sharepoint environment running on the same machine became very slow. When looking inside the Event Log on the server, we found a lot of errors similar to the following: Faulting application name: w3wp.exe , version: 7.5.7601.17514, time stamp: 0x4ce7afa2 Faulting module name: ntdll.dll, version: 6.1.7601.18247, time stamp: 0x521eaf24 Exception code: 0xc0000374 Fault offset: 0x00000000000c4102 Faulting process id: 0x10e8 Faulting application start time: 0x01cf4838c2e39a9a Faulting application path: c:\windows\system32\inetsrv\w3wp.exe Faulting module path: C:\Windows\SYSTEM32\ntdll.dll Report Id: 5fce3de2-b42c-11e3-9d78-005056924d03 The MSDN forums and the Connect site brought some answers to this issue and linked the issue to our recently installed Monitoring Agent. And indeed after removing the Monitoring Agent, th