topic Re: EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3 in Camera Software

EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3

Trae59 — Mon, 20 Jul 2026 20:21:15 GMT

Hello, I need help with getting my EOS R7 to connect to my MacBook Pro. I get the error message ERR12 or ERR 11. I've tried disconnecting the WiFi and restarting it all over. I've checked and I'm not connected to VPN. Any suggestions on how to get this to work?

Re: EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3

stevet1 — Tue, 21 Jul 2026 01:29:25 GMT

Trae59,

It may be that EOS Utlity 3 is not compatible with Tahoe. You'll need to research that.

You could try calling Canon Support at 1-800-OK CANON.

Steve Thomas

Re: EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3

Trae59 — Tue, 21 Jul 2026 20:32:48 GMT

Thank you! I will call Canon Support.

Re: EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3

jrhoffman75 — Tue, 21 Jul 2026 21:13:38 GMT

Re: EOS R7 getting ERR 12 when trying to connect to MacBook Pro (macOS Tahoe 26.5.2). EOS Utility 3

Waddizzle — Tue, 21 Jul 2026 21:49:18 GMT

Your version of MacOS was on 6-29-26. The most current version of the EOS Utility seems to have been released just prior to the Spple update.