This version of AirPort Utility doesn't support this base station. Use AirPort Utility 5.6 to configure or manage this base station. AirPort Utility 5.6 is available at AirPort Service and Support.

Im receiving the same message when i try to run 5.6 and theres a circleslash through the icon in the utilities folder. What gives? Have you figured it out? Please help if you can.

Thank you! I just upgraded routers and could not get back online for the life of me. Your instructions were superb. 🙂

thank you! pacifist worked for me 😀

got my air tunes working perfectly with my "vintage" airport express 😉

Thanks, this worked. The only problem I have now is I dont see the AE in my list when I play iTunes, I have to go to sound in the systems preferences and choose it there. I seem to remember it was in my system tray

I just did all that but my Mac is currently telling me: "you can't use this version of the appication 'Airport Utility 5.6' with this version of OS X" and that "You have 'Airport Utility 5.6' 5.6." What did I miss?

If you have Mavericks (10.9.x) on your Mac, Apple will not allow you to install AirPort Utility 5.6.

Use...or borrow for a few minutes...a Mac running Leopard , Snow Leopard or Lion (up to 10.7.2), or a PC if you need to administer an older AirPort model.

Mavericks users: Thanks to Corey Mahler, there is a solution for getting AirPort Utility 5.6.1 to run on Mavericks, and it doesn't require uninstalling the new version (so you can keep using the new utility for newer Airports). Just google “corey mahler 5.6.1 mavericks” and you’ll find it. (I tried to post a link here, but it kept getting removed).

I've tried this with Mavericks 10.9.4 and it works. Once you've installed Airport utility 5.6.1 and the launcher app, you will need to run Airport 5.6.1 Launcher app, and that will get the utility running.

Thanks Yambu1!

It really works with OS X Mavericks!

It worked, thanks Yambu1!! (and THANKS Corey Mahler!!)

I bought an older airport used for $20 and didn't realize that the current airport utility wouldn't work for me. I used Corey Mahler's solution and it worked like a charm. I was hesitant, but found articles on both macworld.com and macupdate.com so I figured it was safe to use. I even signed up to the discussion board just to post a positive review.

I am using Yosemite for the same problem what can i do?

The solution mentioned above works for Yosemite too.

Just found this discussion and used the method described. It works! Under Mavericks I was able to get an old Apple Express (802.11 b/g only) working again to extend the wireless coverage from an old Apple Extreme base station. As expected, the Express can not be configured to 'Extend wireless network'. It can only be configured as 'Participate in a WDS network', meaning it is limited to b/g speed of 2.4 GHz. However, since I'm currently still using an old Apple Extreme base station, I am limited to 2.4 GHz anyway. Thanks hugely to Yambu1 and Corey Mahler.

How did you get past "This version of Airport Utility doesn’t support this base station"? It appears to want to install on Lion, and none of my Macs have that available any more. Is there a way around this limitation? I have an Airport Express I can no longer configure. Thanks!!

What I get after Pacifist extraction is "You can’t use this version of the application “AirPort Utility 5.6.app” with this version of OS X."

Okay, AirPort Utility 5.6.app won't run under Yosemite, but this smart guy found a way to get it to work:

http://coreyjmahler.com/2013/10/24/airport-utility-5-6-1-on-os-x-10-9-mavericks/