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Publish OWA 2007 on ISA 2006 (Certificate error)

Hi,

I'm trying to publish OWA 2007 with ISA 2006, and I'm getting  a problem with the certificates. OWA works fine internally, and when I try to access it through ISA I'm able to authenticate, but after that step I get the following error message:

Error Code: 500 Internal Server Error. The certificate chain was issued by an authority that is not trusted. (-2146893019)

I followed the instructions in this site to publish OWA,

http://www.isaserver.org/tutorials/Publishing-Exchange-2007-OWA-Exchange-ActiveSync-RPCHTTP-using-2006-ISA-Firewall-Part3.html

but I imagine I failed exactly where the site fails to develop, in the CA authority configuration. I installed one CA authority on my DC and Ive been able since then to issue and request certificates.

But for some reason this is failing. Since I'm not very familiar with this area maybe you might help me.
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Menshen
Asked:
Menshen
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1 Solution
 
Stacy SpearCommented:
Did you get your CA authority trusted? Seems not. http://dsinnovations.com/support/ca/index.html as one solution.

if you can afford it, the major vendors are the way to go.
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MenshenAuthor Commented:
I'm not interested in having it trusted externally, this is for a small business, so that is realy not an issue, I just want to use my own internal CA if possible.
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Stacy SpearCommented:
Follow the steps outlined here on each machine. The link in my first post.
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MenshenAuthor Commented:
hummm ... I don't see how that is different from using my own CA to publish a certificate, I would still have to import my Certificate like that one and at least I trust my own certificate.
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