Applicable on Exchange Netlogon Monitors.

Discovery with the agent

Collector Type: Agent

Category: Application Monitors

Application Name: Exchange Netlogon Monitors


For Exchange Netlogon monitors need Microsoft .NET Framework 3.5

Need Exchange Netlogon specific WMI classes. Please follow below steps to validate the presence of classes in the target devices.

  1. Run -> WBEMTest -> Run the below mentioned WMI Queries

  2. If the query is not exists in WBEMTEST check it in Perfmon (Run -> Type Perfmon) in the perfmon if the object is exists we have the command to load the objects from perfmon to WBEMTEST follow the below step.

  3. Go to this path C:\Windows\System32\wbem -> lodctr.exe /r . After doing this command the classes are loaded from perfmon to WBEMTEST forcefully.

  4. To refresh the wbemtest after loading the classes from perfmon to WBEMTEST use this: C:\Windows\System32\wbem -> WMIADAP.EXE /r

Collected Metrics

Metric NameDisplay NameDescription
AverageSemaphoreHoldTimeSelect AverageSemaphoreHoldTime from Win32_PerfFormattedData_Counters_Netlogon where Name = '_Total'The average amount of time the semaphore is held over the last sample.
SemaphoreTimeoutsSelect SemaphoreTimeouts from Win32_PerfFormattedData_Counters_Netlogon where Name = '_Total'The total number of times a thread has timed out waiting for the semaphore over the lifetime of the Secure Channel connection (or since system boot for _Total).