Universal Control frequently disconnects between M2 Mac Mini and M1 MacBook Pro

I'm having this issue with two older Macs running Monterey (not going any higher until I am assured it won't affect my Intel macs).

Weird thing is that it never worked from inception of the feature, then yesterday I tried it again and was delighted to see that it was working. I turned off my Synergy 3 app and was happy for about an hour. Then it disconnected me. And thus has begun the torture that has led me here to this discussion.

I tried TomAdS solution - didn't work, unfortunately, but I do agree that this is a BT issue. My two Macs will not hold a BT connection to one another for more than a few seconds.

It's a really great feature, too bad it doesn't work properly.

Kinda given up on UC for now. As mentioned in another comment, I tried Synergy. Which holds connection but every few minutes the keyboard and mouse become very laggy and unresponsive (which was resulting in misspellings in emails, files being drag and dropped to the wrong place, etc.). Tried UC again with some of the advice here but no luck. The primary machine - the one the keyboard and mouse are attached to - holds connection fine. The secondary machine...so flaky.

I bit the bullet and just bought a Logitech MK950 combo with Flow. It's not quite as seamless moving between machines (sometimes you have to jiggle the mouse a little near the edge) but it works, because each computer is controlled directly by BlueTooth rather than relaying the input over the local network (moving the mouse to another screen just automates the process of channel switching). Much better, much smoother, absolutely zero lag or disconnections. Shame it cost me best part of £100 on top of the ungodly amount of money I've spent on two MBP's but, here we are!

They say that, but they have been saying that for years. Universal Control has been half baked since it was released... in some ways it has gotten worse. I have tried everything to get Apple to take a look and fix, but just get lip service in return. Imagine how the new iPhone control is going to behave, it's basically the same technology. Maybe Apple should focus on producing a good user experience with the current suite of capabilities before they pile on more half baked solutions?

I forgot to say that both my laptops are open, connected to power and connected to my monitor which has 2 HDMI inputs via this HMDI switch https://www.amazon.com/dp/B0CJT6JBM8?ref=ppx_yo2ov_dt_b_product_details&th=1

I had some issues but after macos14.3 i never get any opportunity to connect

it worked for a couple of minutes now it doesn't anymore

it seems like it crashes and restarts after a while

This issue has been around a long time and affects many people.

Lots of posts everywhere about it.

No solutions on this and seems like a bad bug.

It is driving me insane. It was stable for a while!

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This issue make me crazy ... And I'm clearly not alone ... This great feature works fine until I updated to Sonoma. I try your Idea Tom Ads, thanks, but it don"t resolve the issue.

That's strange, yoan2web.

Are you sure you have followed the steps for both Macs exactly? Cause this works in all other cases I know of.

Tom

I have the same problem with Apple's Magic Mouse and Magic Keyboard.