lservnt.exe fails with exception 0xc0000005

11 months ago


Although the installation of Visual COBOL (or any products using the Safenet licensing) was successful, the Sentinel RMS License Manager service (lservnt.exe) fails to start and reports the following in the event log:

Log Name: Application Source: mf_CCITCP2 Date: 10/20/2020 11:36:33 AM Event ID: 0 Task Category: None Level: Error Keywords: Classic User: N/A Computer: W10-DEV619 Description: The description for Event ID 0 from source mf_CCITCP2 cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer. If the event originated on another computer, the display information had to be saved with the event. The following information was included with the event: The operation completed successfully. RegisterServiceCtrlHandlerLog Name: Application Source: Application Error Date: 10/20/2020 11:36:09 AM Event ID: 1000 Task Category: (100) Level: Error Keywords: Classic User: N/A Computer: W10-DEV619 Description: Faulting application name: lservnt.exe, version:, time stamp: 0x541996de Faulting module name: ntdll.dll, version: 10.0.18362.1139, time stamp: 0x335bbdaf Exception code: 0xc0000005 Fault offset: 0x000866ff Faulting process id: 0xd44 Faulting application start time: 0x01d6a6f6b9373874 Faulting application path: C:\Program Files (x86)\Common Files\SafeNet Sentinel\Sentinel RMS License Manager\WinNT\lservnt.exe Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll Report Id: 6faa10d4-bb6c-48d7-ac6a-7520b7283186 Faulting package full name: Faulting package-relative application ID:

 On Windows 10, the following error message may also pop up on screen:


It is a known issue for lservnt.exe to crash when it interacts with a very long network adapter name. The lservnt.exe's buffer length is limited to 64 characters.

Here are the steps to resolve the issue:

  1. Go to Settings > Network & Internet
  2. Click Change adapter options
  3. Note the long name for the network adapter
  4. Right-click the long name
  5. Click Rename
  6. Enter a name up to 64 characters (e.g. Ethernet0)
  7. Reboot the machine
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