screen sharing tahoe is totally broken with upgrade.
Does not matter is a remote system is logged into any account, as it should not be.
With Tahoe, this now longer works. A system has to be logged in.
I reported this months ago, version 2 just appeared and it is still broken.
[Re-Titled by Moderator]
Original Title: Tahoe broke Screen Sharing
Mac mini, macOS 26.2
Apple's article on Screen Sharing. This still works on Tahoe 26.2 just as it has for several years across previous operating system releases. The remote Mac, on the same network segment, must be powered on to access the VNC connection to it via port 5900 and to use the current Mac's Screen Sharing application to select the remote Mac host name and finish the connection. If the remote Mac boots to a login prompt, then that must be satisfied before using that remote Mac screen.
Setting the first paragraph aside, when I click on the Finder sidebar on Network, I see my Synology DiskStation, my Synology Router, and the iMac that I just powered on. When I right-click on the iMac icon and choose Share Screen… there is a brief connection dialog and then that iMac Desktop screen appears on my current Mac. Since I do not have automatic login set on that remote iMac, I need to provide a password before that screen is available to me. I see nothing broken here with Tahoe 26.2.
FWIW, I routinely connect with a remote Mac using Screen Sharing, and it works. The remote Mac is running Tahoe 26.2 now, but this has worked for years on several iterations.
And yes, this works even if no user is logged in in the remote Mac.
But if in your case the only way is to have a user logged in, then you can perhaps get around the limitation by setting the Mini to auto-login at startup. You'll still need to enter the password to remotely access, so auto-login does not seem like a big security issue.
I have a 2011 Mac mini still running High Sierra. It has no attached display or keyboard, but does have a Time Machine backup drive and network connection. I have an HDMI dongle on it that tricks it into believing there is a display attached. As long as I power the mini, I can screen share with it in another part of the house.
You are using a Mac mini in a way that Apple did not anticipate. The only guarantee that you have from Apple is that sooner or later, they are bound to change something in the operating system that causes a deviation in what used to work. Only Apple knows if your current predicament is a deliberate security fix, or a foible.
My MAC mini has no keyboard, or monitor and sits in my closet for Time Machine.
You are wrong as I have been running this way for many years. The mini is NOT broadcasting its location when in No user logged in status. IT has to be that way Period.
Tahoe has F****ed this up.
Apple's article on Screen Sharing. This still works on Tahoe 26.2 just as it has for several years across previous operating system releases. The remote Mac, on the same network segment, must be powered on to access the VNC connection to it via port 5900 and to use the current Mac's Screen Sharing application to select the remote Mac host name and finish the connection. If the remote Mac boots to a login prompt, then that must be satisfied before using that remote Mac screen.
Setting the first paragraph aside, when I click on the Finder sidebar on Network, I see my Synology DiskStation, my Synology Router, and the iMac that I just powered on. When I right-click on the iMac icon and choose Share Screen… there is a brief connection dialog and then that iMac Desktop screen appears on my current Mac. Since I do not have automatic login set on that remote iMac, I need to provide a password before that screen is available to me. I see nothing broken here with Tahoe 26.2.
I have several mac systems on my network, No firewall.
I execute finder, and the other systems show up in my left panel
I click on a system, an finder produces the filesystem of remote system.
Option to Share Screen, and click that and remotely work on other system.
The other systems do not need to be logged on, as really in any network environment all systems will be logoff status. That is the way it all works, except now Apple has messed this up royally.
Unclear to me what the issue is. Screen sharing how - FaceTime? Mirroring to another device? From another device?
Your statement that being logged in (to whatever) is now required in Tahoe sounds like a security enhancement that may fall into the ‘it’s not a bug, it’s a feature’ category and if so there will not be a fix.
How to fix broken Screen Sharing on Mac after macOS Tahoe update?
