Can’t open multiple clients on mac after prepatch

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I had the same issue on my Mac. I have 3 accounts, could only run 2, 3rd would hang.

This is what I did, and works for me - USE AT YOUR OWN RISK!

Running 10.14.6 with all updates. I launched activity monitor and launched 3 copies of the client from the Battle.net app.

Clicked “info” in the activity monitor for each of the 3 WoW clients. 2 running, 1 was “Not responding”. Once the info windows are open go to “Open Files and ports”. Compared the running to the non-running. The non-running always hung at line 127:

/private/var/folders/ts/l320s_yj3mx03_ww5gdjcv_00000gp/T/WoW ASYNCTHREADSHAREDMEM.1.mutex

This is the temp directory in Mac OS (from terminal type “open $TMPDIR”). I’m guessing it is different for each machine/user??

I went to that directory, and saw 4 recent files, all zero bytes in size:
WoW ASYNCTHREADSHAREDMEM.1.ex
WoW ASYNCTHREADSHAREDMEM.1.mutex
BlizzServiceRegistry.ex
BlizzServiceRegistry.mutex

So what I do is this:

  1. open the temp directory
  2. Lauch Battle.net App
  3. Launch client 1, login to character
  4. Go to Finder, go to temp dir, delete the 4 files listed above. Just in trash, I do not empty the trash.
  5. Back to Battle.net, launch client 2, login character
  6. Go to Finder, go to temp dir, delete the 4 files listed above. (It creates them with each client launch)
  7. Back to Battle.net, launch client 3, login character
  8. Play with 3 accounts!

So far this has worked 100% for me. I have not noticed any ill effects.

If you do choose to try this, let me know if it works for you. Also, if you check Activity monitor, I would be curious if it hangs at line 127, on that same file, for you as well.

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