Outlook 2007 Cannot connect to Exchange 2003 via RPC over HTTP

hi,

im running rpc over http on my exchange server and have set it all up with certs etc and all works really well on a outlook 2003 and windows xp pro setup. but if i try to get the same thing working on vista ultimate with outlook 2007 laptop it simply wont work.

Is there something im missing here?
kingcastleAsked:
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SembeeConnect With a Mentor Commented:
You don't want to get a trust issue with the certificate. If you do then RPC over HTTPS fails. If it passes that test then it isn't the certificate at fault.

Simon.
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SembeeCommented:
Should be fine with that combination.
Does the client pass the certificate test? https://host.domain.com/rpc 
Are the certificates you are using purchased or self generated. (I know you have just closed a question on this, but I cannot remember and needs to be in this question in case anyone else looks).

Simon.
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kingcastleAuthor Commented:
thats a bit weird if i goto https:\\mail.mydomain.com its brings up the Under Construction page from IIS but if i go https:\\mail.mydomain.com/rpc it says "You are not authorised to view this page, you do not have permission to view this this directory. Unauthorsied access due to ACL set on requested resource.

I installed the cert from Rapid SSL.

Cheers
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kingcastleAuthor Commented:
this is really strange i just checked again to see if it does work from xp and outlook 2003 and sure enough when i open up outlook it asks for a username and password and once i enter those credentials i get all the mail etc.
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SembeeCommented:
The authorisation failure is normal for /rpc - it is SSL certificate support that you are looking for. If you have a RapidSSL certificate then that shouldn't be an issue.

The main cause of authentication prompt is a type mismatch. So integrated set on the virtual directory and basic in Outlook - or vice versa.

Simon.
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kingcastleAuthor Commented:
so if that part looks ok and it seems to work ok on outlook 2003 and xp and not on vista ultmate with outlook 2007, were do i go from there do you reckon?

ta
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SembeeCommented:
Seems to work or does work?
On Outlook 2003 does the connection status (right click on Outlook icon in system tray while holding down CTRL) show HTTPS or TCP/IP connections?

Simon.
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kingcastleAuthor Commented:
just checked, on outlook 2003 it defo say conn is https

ta
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kingcastleAuthor Commented:
still struggling on this one, i reckon it must be to do with the cert. if i goto https:\\mail.mydomain.com\rpc it does not throw me up the usual "do you trust this site etc...." that it i would usually see from a https site and you then click yes or no, but then again the blooming thing works under xp and outlook 2003
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kingcastleAuthor Commented:
hi simon

i finally got this working, what i had to do in the end up was change the authenication on outlook anywhere settings on outlook 2007 from NTLM to Basic. Once i did that it asks for username and password and once i enter them it connects. I checked the connection status of outlook and it says it HTTPS so i assume this is as secure as i am going to get it.

Cheers for all your help its brilliant
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