I'm on 22621.1 and the problem persists.
Window 11 taskbar auto-hide turning off
I switched to Windows 11 a few weeks ago, and ever since then, the taskbar auto-hide quits working when the computer comes out of Sleep mode. I have to be away from the computer for a while before it will happen, and I believe it has something to do with me running dual monitors. When I wake my computer, my secondary monitor appears to come up faster than my primary by just a fraction. Once my primary is on, there is a message saying something about the taskbar already being hidden (I think) and the taskbar on my primary monitor has the taskbar up. When I go to Taskbar Behaviors, 'Automatically hide the taskbar' is no longer checked. I'll select it again, and it will work fine until the system goes back into Sleep mode for a while, again.
Windows for home | Windows 11 | Settings
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Anonymous
2022-06-02T19:30:16+00:00 -
Anonymous
2022-06-04T12:14:18+00:00 The problem hasn't disappeared... it's still there.
It only occurs when I configure my extended screen as the main one.
I'm sure that the MS developers are scrambling backstage to fix this.
I'm on Windows 11 Home version 21H2, OS build 22000.708.
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Anonymous
2022-06-11T16:13:36+00:00 I have the same issue. I have to re-enable auto-hide at least daily.
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Anonymous
2022-06-11T16:25:56+00:00 I was having this issue (only a single monitor though) and nothing I did fixed it. Was having some other issues with usb/sound and ended up reinstalling Win11 from scratch and the task bar has autohid as it should for the last two weeks! Hopefully it lasts.
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Anonymous
2022-06-22T15:46:53+00:00 I have the same issue in Win10.
When I turn off my primary DP connected monitor, Windows assumes the monitor has been wiped from existence by Thanos and decides to move ALL windows to the second monitor. This includes the windows taskbar, apparently, which activates the prompt "A toolbar is already hidden on this side of your screen. You can have only one auto-hide toolbar per side.", and nukes auto hide from this plane of reality.
Worth to note is that the primary monitor is connected via DP to a discrete GPU, whereas the secondary monitor is connected via DVI to an integrated GPU in the CPU.
Either way, the way Windows 10/11 handles primary/secondary taskbar and moving them between monitors is clearly broken when it tries to draw several toolbars on the same monitor and removing settings as a result.