Hello, I recommend conducting additional research into the problem. As an option to prevent unauthorized opening of the lock, I recommend using double pressing of the switch.
CLOSING - one press.
OPENING - double press.
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It’s also suspicious that several (two) automations appear to have been triggered simultaneously, which presumably conflict with each other (locking and unlocking).
- “H2 unlock U200” via “Office Light 1” (single press)
- “H2 lock U200” via “Entrance Light” (presumably double or long press, correct?)
- “Open U200 enable virtual U200” apparently only depends on the door being opened, right?
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Both, office and entrance switch are locking/unlocking by single press, and yes, enable virtual depends on the door being opened. @gafich10 helped me with the automation, and it worked just fine without any issue, and it’s stil working fine, it was just that one time when something, don’t know what or why, triggered the automation for no reason.
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Here are the logs for both switches. Seems that both of them have triggered multiple times at that moment.
Looking at the logs, you should probably train your cat to stop using the switch as a toy 
Jokes aside. In the Matter Standard, every single button press—whether it’s going to be short, long, or double—always starts with an InitialPress event the exact millisecond the contact is made.
Image source: Matter Application Cluster Spec 1.4 / Copyright Connectivity Standards Alliance, Inc. All rights reserved.
A proper implementation should wait for a ShortRelease or MultiPressComplete to confirm a single click. However, to reduce latency (or due to a sloppy implementation), some platforms map the raw InitialPress directly to a “single click”.
I can also imagine that during a reboot, a network glitch, or other system hiccups, it may be more likely in practice for an errant InitialPress to appear compared to more complex events.
That’s why mapping your important automations to Double Click or Long Press is a much safer workaround. These events only trigger after a specific time threshold or mechanical sequence is completed, completely avoiding the InitialPress trap.
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My cat can’t run that fast, to press both switches in that short time, I think it’s the ghost i’m petting inside my house 
As you said, jokes aside, I wasn’t expected this kind of situation with Aqara products, never had such a problem with that cheap products from Aliexpress in tuya, in the last 6 years. They were working fine, or not at all, but never such situation. I moved recently to Aqara in hope of a better quality and hoped for flawless soft glitchces, but now it makes me think twice if it was a better decision…
I’m sure those were cats. @gafich10 knows what I mean (see link) 
I’m afraid Matter is still quite new, and many manufacturers haven’t fully developed their support for it yet. With Aqara, the situation might be better than with other manufacturers, but there’s still room for improvement.
Perhaps you could consider changing the H2 switches from Thread to Zigbee.
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You are mistakenly transferring the connection problems of the Thread to the Aqara brand. This is the algorithm of Matter’s work, this is how it is organized. I once convinced you that Zigbee in Aqara is a fairly reliable channel of operation. In my practice (more than 5 years), there has never been an unauthorized activation of the wireless button. 
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Yes, I know, and as you see I stubbornly refuse to listen to you, don’t ask me why because I don’t know why I am doing this, maybe I like troubles 
I was extremely excited few years ago when I saw the Matter idea and wanted to give it a chance (then there is the laziness to reconnect everything 
)
Laziness, the driving force of the WORLD🤣
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True story.
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Hi there, as this issue has already been resolved with our support team via email, we’ll be closing this topic on the forum as well. If you have any further questions or run into any other issues, please feel free to reply directly to our support email. Thanks for your support and understanding!
Please ignore bot message, probably system error, problem is not solved.
Currently I would strictly avoid any security related automations, which to open i.e. locks with the press of a button.
My matter button sometimes triggers a light (also matter, automation via HA), even when there was no human pressing that button for the last hours. For whatever reasons it seems be possible, that a matter device fires events without a reason.
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Yup I may agree with you as since iOS 26.4 there is happening weird issues to me too regarding some matter touch switches I have that turns on the light without no one touching it also turn of the light on my living room when I was watch tv and not even touching the switch.so my be @Andrei.C experience the same issue but with aqara switches
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Just when i was hoping the problem is solved. it happened again. Last night at 22:31 and this morning 07:39… So i decided to remove the Office Switch from automation, since that one was always the trigger. I’ll keep you all up to date. Since then, all I can say is, Matter sucks. Time is not in my favor now, but in the near future I’ll reconfigure all my devices thru Zigbee. One more thing, on @gafich10 recommendation i intended to change the automation for “2 click to unlock” guess what, Matter does not support 2 click option. So, in my experience with Matter, it may be good for merge, but it is extremely limited and unsecure for now.
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Well in my recent experience as I mention before if you are an HomeKit user I think iOS 26.4 has some glitch on home app witch makes switches to randomly turning on as I experience this in the past week that I have 3 switches witch has turning on the light from no were and this are not Aqara switches but they are only added to Apple home app.now since iOS 26.4.1 didn’t see them turning on anymore but time will tell.
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I have installed 26.4.1 at first launch, but this still happened, so i am sure it’s not iOS fault, most probably it’s a Matter bug somewhere.
Could be but mine doesn’t turn on anymore or at least this days worked well without issues.i do have some issues with Apple TV and HomePods as on home app they most of the time shows without connection even if they are connected to internet and working and I am on with an Apple supervisor to see an fix for that.ether way did you try to use an mini wireless button from Aqara instead of that switch ?
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No, i didn’t try it, i was hoping to take advantage from what i have installed already, since they have multiple options for use. I do not have too much experience, but as far as i can see, I can say Matter is not ready…