Mac OSX 10.6.3 fixes WPA 802.1x Airport Issues and more

Mac OSX update 10.6.3 was released earlier this week and addressed many issues with current Macs. One of the issues it corrected was the airport 802.1x authentication issue that I have covered on my site. I have actually tested my Macbook Pro’s Airport on my college network where I was experiencing the authentication issue and it seems to be working great now. Please let me know if you are still experiencing the authentication “stuck” issue and we can cover it here.

The update covered many other issues as well I will list them below:

  • improve the reliability and compatibility of QuickTime X
  • address compatibility issues with OpenGL-based applications
  • address an issue that causes background message colors to display incorrectly in Mail
  • resolve an issue that prevented files with the # or & characters in their names from opening in Rosetta applications
  • resolve an issue that prevented files from copying to Windows file servers
  • improve performance of Logic Pro 9 and Main Stage 2 when running in 64-bit mode
  • improve sleep and wake reliability when using Bonjour wake on demand
  • address a color issue in iMovie with HD content
  • improve printing reliability
  • resolve issues with recurring events in iCal when connected to an Exchange server
  • improve the reliability of 3rd party USB input devices
  • fix glowing, stuck, or dark pixels when viewing video from the iMac (Late 2009) built-in iSight camera

You can download the combo udate for 10.6.3 here:

Learn more the author of this post:

I was a Computer and Information Technology student at Purdue University. I have always wanted my own website and have been fascinated with technology my entire life. So here I am, what's next?
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  • keithmcbeath

    Just started to have wireless issues yesterday, at home, running 10.6.2. The problem was, firstly I booted my macbookpro and wireless connectivity started fine as usual. It then dropped the connection. On polling the network I can see no wireless connections at all. I can always see my own router and usually some neighbours ones too. Tried the usual airport on/off but still nothing. Came to work this morning and had the same issue. Again I could see no networks at all, I can usually see about 10. Others macs on both networks can see all wireless signals. Looked about on the mac sites and found that the update to 10.6.3 fixes airport issues. Updated to 10.6.3 and it started working for about 5 minutes then dropped again. I have tried most of the fixes posted on various sites, including terminal fix, re-setting SMC, renewing network connection and location. I have changed DHCP to manual but still no joy. Computer works perfectly when wired at both locations. Very occasionally I will see the wireless connection appear in the airport menu but when I choose it it asks for password and doe not connect. Could this be hardware related? Any help would be much appreciated.

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  • Sanitys

    Have you tried a P-RAM reset?
    Resetting PRAM and NVRAM

    1. Shut down the computer.
    2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
    3. Turn on the computer.
    4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
    5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
    6. Release the keys.

    Your computer's PRAM and the NVRAM are reset to the default values. The clock settings may be reset to a default date on some models.

  • keithmcbeath

    Thanks for the response.
    Tried that already but still no joy, this is really frustrating. Having a portable computer that you need to wire kind of defeats the purpose. I still think this may be hardware related but it is difficult to find that out for sure. Only other option, which is definitely the last resort, is to wipe the macbookpro and rebuild. Cant find anyone else on the net that has the same issue as me.

  • Ribban

    I have the exact same problem. Thew authentication “stuck” issue is there for sure. I´ve also tried alot of the fixes. I´ve managed to get it somewhat working by creating a new network to my Airport Express (I use a linksys WRT160NL as primary router normally), then connecting to the new network, with no problems with the authentication!! Then I changed back to my regular network and it did connect and authenticate. However, my connection is very unstable, and I get very low connection percentages when looking at iStumbler. Loading websites is very slow. And the connection drops very often. I can reconnect againg, but the overall experience is no way near before the update. I get the best results when using WPA instead of WPA2 which i previously used.
    Any help at all is much appreciated.

    I´ve resetted PRAM and NVRAM and SMC, updated firmware on the router. Changed security levels.


  • Sanitys

    Have you tried to create a new network location in network settings and then try to use your wireless in the new location?

    This applies to Ribban too below.

  • keithmcbeath

    Already tried that one too. I have also re-created the airport connection. I connect wirelessly through two completely different routers, one at work and one at home, my wireless connection has dropped on both. It did connect at home a few days ago for about five minutes after I switched on but dropped connection soon after. Cannot re-connect after that happens.

  • Rob

    Our issue has changed since the 10.6.3 v1.1 update but only slightly for the better. If a user connects to our WPA2 Ent network with the correct username/password everything is fine. However, if they type their password wrong the machine will NEVER ask them to authenticate again and will not connect to the network again until a complete reimage is performed.

    I've tried deleting the 802.1X records and Preferred Networks, tried deleting the WPA keychain record, the entire user keychain and restoring it to default, deleting the Airport device in network, generating a new location, manually connecting to the network using “Join Other Network”… etc, etc. The only way I can get the damn thing to prompt for a username/password again correctly is to reimage.

  • Sanity

    I am not sure how to help you guys with the issue, but I have submitted the URL to this thread to Maybe they will read this and be able to correct the issue.

  • Sanitys

    I am not sure how to help you guys with the issue, but I have submitted the URL to this thread to Maybe they will read this and be able to correct the issue.

  • Rakel_ferrao


    A long time has passed since you guys last discussed this issue, but I was wondering if there’s a fix possible for this authentication problem, with WPA2 enterprise, for who still has 10.5.8. Or is it just best to get Snow Leopard and then install the update you mention?

    Many thanks,


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