Windows security upgrade - Sharepoint site nintex workflow cancelled to run

[Guest ManjuM2]

Hi I am getting below errors from last 2 days before that my workflows were running OK without any issues

 

 

We have schedules for few workflows on different share point sites... in which few workflows runs once a day in morning times and few workflows runs when new document added to list or library ...on condition basis...

 

We had windows security patch upgrade on weekend and from Monday onwards we are getting below errors

 

 

Workflow - Check for Today Tasks failed to start.

 

Workflow Workflow - Check for Today Tasks was canceled by System Account.

 

 

when workflow schedulers are triggered ...and i don't see any further progress even if i trigger few of those workflows manually tooo...this issue occurs on both Dev and live environments ...

 

not sure if the issue is related to windows security upgrade or not ... but we are end up with no solution on it after restarting sharepoint & nintex Timer services also...

 

So can someone please help me to fix ?

 

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