Randomly my iMac Lab is dropping some sort of connection to my Active Directory Server. My iMacs are connected to my wireless network, get a dhcp address, and can bind themselves to the Active Directory Server. Yet my users cannot sign in, they get the lil red dot on the sign in page that says "Network Accounts are Unavailable". Does anyone know of a fix for this?
It's not a program or app. Please see my original post. It's about signing into the iMacs. I'm running an iMac lab in a public school. This happens on all 8 of my iMacs. The only fix I found was to hardwire my iMacs into the network instead of running them on the wireless cards.
Make sure your clients are getting the correct DNS records pointing to your Active Directory Server. This will be the last time I make an upgrade to the newest and greatest Apple product so quickly.
It happens at log in. We can't log in with network users. Also the checkbox with "allow network users to log in..." in system preferences does not exist. Rebinding AD and such things already tested.
This happened after updating to MacOS Big Sur 11.2.3. Nothing else changed. Big Sur 11.2.2 and before didn't have this issue.
This was happening on all of my iMacs running different versions of Big Sur. I found the issue wasn't related specifically to MacOS Big Sur 11.2.3. If I hardwire my iMacs into the network then they work. The iMacs throw the error when they are specifically on my wireless network. This is not a new setup for me, I've been running them on my wireless network with Big Sur since I was able to download Big Sur. Now they just randomly don't work on my wireless.
Hey there!
Can you say what app/program is giving this error? Or if it’s just the network in general?
Since this is happening on multiple machines, (Although they may have been working fine previously), if you power cycle the network source, (Modem, etc, disconnect it for a few minutes > Reconnect it), wait then reconnect your Macs, does that make a difference?
Likewise, are all your Macs running similar software that affects the network and/or security?
Also, did this happen after any type of change? (E.g., all were updated, their network service provider was changed, new software was installed on each)?
Cheers!
Having the same issue on both Macs since the latest Big Sure update (11.2.3). Haven't found a solution yet..
Okay for me this issue appeared with Big Sur 11.2.3 and hardwired connection. Never had this issue before..
Network Accounts are Unavailable
