I have windows server 2019 installed physical machine that runs a few desktop flows unattended.
My flows actually runs smoothly with unattended condition but if Windows Server runs more than approximately 48 hours suddenly my flows fail to run with the error "Cannot create new session to execute unattended run."
If I re-start the server everything goes back to normal. So all my flows run unattended as expected.
After I start to get this error for my flows, sometimes a flow is able to run and sometimes is not. I mean the same flow can be failed but next time the same failed flow to be run without any problems.
As I said, restarting machine solves this problem.
By the way; the same flows can be run attended although it is impossible to run them unattended.
Any help appreciated.