Qlik Sense Management console shows Engine status unknown, never contacted

Sonja_Bauernfeind — Tue, 25 Aug 2020 06:37:30 GMT

The Qlik Sense Engine stopped responding or an engine has been reinstalled.

In the Qlik Sense Management Console (QMC) start page, an error is indicated. Reviewing the Nodes section shows the following status:

Engine status unknown, never contacted

Environment: Qlik Sense any version

Resolution:

Basic verification

Verify that Port 4444 is open between the Qlik Sense Enterprise Central Node and the Rim node.
Verify that the Service account is added to the Local Administrators Group
Restart the Qlik Sense Services

Repair performance counters

Navigate to the Node showing that status.
In a Windows file explorer locate the following folder: C:\ProgramData\Qlik\Sense\Log\Repository\Trace
Open the file *_System_Repository_* trace file and at the bottom will be an ERROR row with the following message in the string:

Unhandled exception: Value cannot be null.↵↓Parameter name: source↓System.ArgumentNullException: Value cannot be null.

Follow these steps to resolve the problem:

Stop all the Qlik Sense services on the affected node.
Open an elevated command prompt
Type the following at the command prompt
- C:\Windows\System32> cd ..\syswow64
- C:\Windows\SysWOW64> lodctr /R
- The following message will be displayed:
  
  Info: Successfully rebuilt performance counter setting from system backup store C:\Windows\SysWOW64>
Start the Qlik Sense services on the Node
Check the QMC, the node Status should change to # of # services are running.

Cause:

The Central node may require a reboot to ensure communication after a newly installed RIM node.
Ports may not have been opened correctly or the user account does not have sufficient privileges.
Windows performance counters were damaged.

article Qlik Sense Management console shows Engine status unknown, never contacted in Official Support Articles

Qlik Sense Management console shows Engine status unknown, never contacted

Resolution:

Basic verification

Repair performance counters

Cause: