Several machines does not install application during maintenance windows

Viccc 6 Reputation points

We have maintenance windows set for 4 hours every few 5 days for a bunch of virtual machines. Recently found some machines doesnt not install the application during maintenance windows. It has missed for few scheduled start month ago. I notice that for working machine, the appdiscovery.log will run discovery during maintenance window start. For those failed machine, nothing logged on appdiscovery.log during maintenance windows start, and those apps keep showing status as waiting for next available maintenance schedule. I can manually run the application deployment evaluation manually during maintenance windows timing and the app will start install. I am not sure why it happens on some machines. Any idea?

Microsoft Configuration Manager
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  1. Garth 5,801 Reputation points

    Check the health of the client.

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  2. Viccc 6 Reputation points

    Client looks healthy, for other application that bypass maintenance windows are install directly. This is only happens for application but not package. Only the app is not going to start during maintenance windows. I not sure is there any specified logs can be checked. I checked the servicemanagerwindow log and i can see it activate the maintenance windows during the defined time range.

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  3. Jason Sandys 31,181 Reputation points Microsoft Employee

    Have you reviewed the ServiceWindowManager.log on these systems?

  4. Amandayou-MSFT 11,051 Reputation points

    Hi @Viccc ,

    Please check if the application could be installed in some issued client without maintenance windows, if it could be installed normally, it seems that there are something wrong with maintenance windows.

    Besides, we could check Scheduler.log, it records activities of scheduled tasks for all client operations.

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