imac 24 file sharing suddenly stop working

File sharing to my 2021 iMac 24 has suddenly stopped working.

It is fully visible on my other two devices on the network but they can not connect to it.

It is able to connect to my other two devices just fine (one is via wifi and the other is via ethernet switch).

I have enabled and disabled File sharing.

Restarted all devices to no avail and ran Disk Utility.


Help please

iMac 24″, macOS 12.0

Posted on Feb 18, 2022 5:20 PM

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12 replies

Feb 19, 2022 4:26 PM in response to anguilla

No need to re-install Mac OS, it is not MS Windows that needs a re-install at every drop of a hat. Please do the following:


It will help us get a good idea of what is causing your problem if you provide a report of your system, that way we do not have to play 20 questions with you. The report we are requesting does NOT provide any personal information and is extremely safe to use. Please navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.


When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again. 


For instructions on how to download your EtreCheck report and attach it to your reply to this message please click https://discussions.apple.com/docs/DOC-250000211


Feb 18, 2022 8:14 PM in response to rkaufmann87

Thanks! I will try that tomorrow.

Currently, the problem iMac24 in question can both see and access my other desktop mac (via ethernet switch) and my mac laptop ( via wifii)

But although these other two computers can "see" the iMac also, on the network (the iMac24 shows up in the "Network" Finder sidebars) ... they can not log in to it.

The ethernet desktop mac reports error, unable to read the iMac data ... and the wifi laptop just spins it's wheels forever trying to connect.

I will report back after trying Safe Mode.

Thanks again!

Feb 19, 2022 2:07 PM in response to anguilla

Ok well I tired Safe Mode and yes all are on appropriate Network (both wifi and lan ethernet switch). No change at all on either other macs trying to connect. Can see in Finder sidebar on network and comes and goes with disabling Fie Sharing on iMac24 with both of them. So def the issue is with the iMac24 file system (checked with ** and is OK).

Of note as prev stated, I can connect to the other macs just fine with the iMac 24 ... just can't do opposite.

I am at a loss!

Maybe I should try a reinstall of OS????

Feb 21, 2022 12:53 PM in response to anguilla

Hi guys.

Small update ... for some unknown reason (I haven't done a thing except run Etrecheck) my laptop can suddenly connect to iMac via wifi. I have been rechecking this several times a day fruitlessly.

However the desktop (ethernet) mac still can not connect to iMac. I didn't mention this before (sorry) but it shows an error code -36 when attempting to connect via direct input of the afp address.

My Etrecheck report is posted above.

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imac 24 file sharing suddenly stop working

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