Scheduler: No Worker Scheduler Found

[Sonja_Bauernfeind]

Scenario :

• Single node
• All services installed, up and running

Possible Error messages :

• Unhandled exception: Failed to access performance counter data. Make sure that performance counters are enabled or try rebuilding them with lodctr /R.    
• Category does not exist.
• Could not reserve an executor for task: No node found for task(name/id)
• Failed to send alive notification to manager.    
• Could not obtain the current CPU load.
• Worker-node XXXX is not alive and cannot run task YYYYYY

Environment:

• Qlik Sense Enterprise on Windows , all versions
• Windows 2012 R2 datacenter edition

Resolution:

Steps for resolution :

1. Rebuild the performance counters (lodctr /R)

Tasks do not reload after upgrade to Qlik Sense June 2018
 

2. Disable the loopback check

Reopen Registry and navigate to HKEY_LM\System\CCS\Control\LSA\MSV1.0 and create the following DWORD key 
DisableLoopbackCheck
Value : 1

3. Then, reboot the box

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