Question about Microsoft Windows Vista Ultimate Edition

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Error Code: 403 Forbidden occurs when using Outlook Web Access with


This is a real puzzle to me. I have two laptops, one with Vista Business (that my wide uses) and, a recent purchase, with Vista Home Premium that I use. We both work for the same firm and need to access our corporate e-mail via "Outlook Web Acess".

This is where it gets interesting, Logon is succesful on the laptop running Vista Busines, but fails on the laptop running Home Premium, even though the security settings in Internet Explorer are the same on both laptops (and I understand that there really is no diff between Home Premium and Business other than what is bundled in the product).

I am completely baffled by this and none of the posts make a great deal of sense to me. Can you help?


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  • TaggAus Feb 29, 2008

    Hi mcc99,

    Nope cookie settings both the same. Also same version of IE, it is IE v7.

    I seen lots of posts about having to do things in IIS and/or in Exhange Server 2003 to get this running. I also seem to recall seeing something a while back about the problem stemming from how Vista incldues some function that controls the (desktop?) security which is different to earlier versions of Windows O/S - but can't recall if this was the problem.



  • TaggAus Mar 02, 2008

    Hi mcc99,

    Nope switching off both UAC and Firewall had no impact. That said good tip about UAC - damn irritating that fuction - glad to see the back of it!

    WRT to anti virus, the Vista Business machine (which somehow manages to work with OWA) is a Dell and came pre-loaded with our "friendly" McAfee product. I found out that it was switching "auto update" back on. I would say yes to Mcafee downloading an update, after which it would inform me that "the pc wasn't protected, fix it?". too which I dutifully replied "yes" as I thought something had gone squiffy with the mcafee download. - lo and behold it switched the damn'd windows auto update back on and off it went to download half od Bill's support site!

    Got really peeved off when this occured in the background and I was prompted ot "restart to complete update" -the dialogue box only gave the option of "yes". After the restart machine started to go nuts during startup which would on occasion decide to just beep continuously at the very start of power up (you know the beeps that occur if something like the fan is cactus or the memory is shot) - except this time the beeps just kept going - hundreds of beeps!

    Eventually spoke to someon at Bill's place (3rd line support) who knew straight away that I had McAfee and told me how to stop the anti virus package trying to be a hardware monitoring tool - he also suggested that I use AVG as that is what the M'soft use on their vista tin. Also got me to restore the laptop back to a point prior to the update and all has been ok since.

    Anyhow, long rant about Bill - can't help it I'm an auld fashioned unix bod! But nope no change in the use of OWA on the ACER laptop that runs Home Premium. I'm gonna bug the IT support guys in work tomorrow - I'm beginning to wonder if the problem is at their end. maybe in the Exchange server, or maybe (grasping at stwars here) they somehow are blocking my login from one machine but allowing the other through - certificates or something?



  • hrd8 Oct 02, 2008

    I can access my email account from all computer's except for my new home computer which has Windows Vista Home edition



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Posted on Feb 28, 2009

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Did you check your acceptance-of-cookies setting? You won't get an error message if your browser is set to reject all cookies.

Also, what version of IE are you running on the two machines, assuming it is IE you are using and not Firefox or another kind of browser.

Nothing's ever simple, is it?

Posted on Feb 29, 2008

  • mcc99
    mcc99 Mar 01, 2008

    "how Vista incldues some function that controls the (desktop?) security"

    Vista has a lot of half-baked security "features" in it. Do you have the infamous Windows Firewall turned off on your Vista box? If not, turn that damned thing off. Also, the Microsoft Security Center "fetures" should be turned off and the dat-burned UAC (User Account Control) thing also.

    The "Security Center" is discussed here:

    The UAC is accessed by clicking on the "Other Security Settings" entry. Funny thing is is that sometimes after installing updates or running a registry cleaner, the evil thing (UAC) comes on again. This thing's effects are unmistakable-- every time you go to do something the screen gets gray and it asks you if you're sure you want to do it. Move a file, sneeze, go to the bathroom, it's all the same. Turn the horrible thing off, you really don't need it. Anyway some registry cleaners cause the bit setting in the Vista O/S registry to be re-set to show the UAC "feature" active again, and so dutifully it makes your life a living hell. You have to go turn it off again after that.

    If you are behind a company firewall on the Vista box all the time you don't need one anyway. If however you are not or not always, there are much decent free firewall packages out there for the taking. Same thing re antivirus; there is no need to pay for either. Oh yeah, I would also turn off auto-updating as well and just run it manually from time to time. Auto-updating can easily slow the PC to a crawl and you won't know why.

    I use the following free, no adware, malware, etc. software for firewall and antivirus and have had no problems:

    Plenty of others too but these are the ones I use.

    Don't pay Symantec another red cent.

    Let me know how it goes.

  • mcc99
    mcc99 Mar 02, 2008

    Hmm, next other thing I can think of is ActiveX support-- is the browser security set to allow ActiveX components on both PCs? Also, and don't know how relevant it may be, but also Java JRE versions.. are they the same on the two machines?

    Hope your IT guy can be of help, too.



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