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Task Scheduler [Server 2019]: runs tasks every week instead of every 2nd week

Joel Levy 66 Reputation points
2021-06-16T20:40:52.617+00:00

On Windows Server 2019, I have a weekly task which is set to "Recur every 2 weeks". It actually runs every week. The "next run time" shows correctly that it's scheduled to run again in 2 weeks but when it comes next week which it's supposed to skip it runs anyways.

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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  1. MotoX80 32,336 Reputation points
    2021-06-18T22:11:15.417+00:00
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  2. Andy YOU 3,071 Reputation points
    2021-06-23T10:03:33.463+00:00

    HI JoelLevy-4460,

    Do you install full update patches on issue w2019 server ?

    server 2019 update history
    https://support.microsoft.com/en-us/topic/windows-10-and-windows-server-2019-update-history-725fc2e1-4443-6831-a5ca-51ff5cbcb059

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  3. Joel Levy 66 Reputation points
    2021-06-23T15:55:34.21+00:00

    Not sure if I understand what full update patches are. It shows for me that my server is fully up to date:

    108713-1.png

  4. Joel Levy 66 Reputation points
    2021-07-02T06:01:50.017+00:00

    Here is a simple test task that was supposed to run on 6/18/21 and then skip 6/25/21, but it actually ran on 6/18/21 and also on 6/25/21.

    111234-2.png

    111165-1.png

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  5. Fab 1 Reputation point
    2021-07-16T08:29:55.357+00:00

    I have the same Problem on Windows 10 1809.
    The problem began after install some MS Patches. I suspect KB5003243. This Patch was made for Windows Server 2019 and Windows 10 Version 1809.

    Thanks for the workaround! I'm still testing.

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