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SBS2003 RPC over Http/s

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  • SBS2003 RPC over Http/s

    Unfortunately we still have SBS 2003 STD, with Exchange 2003 sp2, i configured RPC over http using sbs wizard. Now i cannot connect to it from internet. I am using Outlook 2010, added exchange account using internal name of server and username, cheked connect to exchange using http, uncheked ssl only, wrote fqdn of our external firewall for proxy url, of cource before this i made nat internet>http>internal sbs and internet>https>internal sbs. My goal is to use https, but at beginning i wanted to test it with 80 port. In Outlook 2010 i used negotiate authentication everywhere. Looks like it connects to sbs, but always asks for password, tried all variants, differet users and even DOMAIN\user and [email protected] but its not working. Looks like problem could be somewhere in IIS virtual directories, as i understand rpc over http uses 2 virtual directories under Default Web Site dir, RPC and RPCwithCert. Cannot figure out how to solve this problem, it could be some SBS related non standart thing, do not wanna play with it, 70 ppl using it daily.

    Forgot to mention, we use sbs self made ssl cert...

    Best Regards,

  • #2
    Re: SBS2003 RPC over Http/s

    Make sure you install the certificate into the 'Trusted Root' on the desktop PC that you're connecting from.
    Ideally you should be using a certificate from a Public CA. Not a self signed one.

    You can also use the link above to see where RPC/Http is broken. Although the test is likely to fail in part because you're using a self signed cert.


    • #3
      Re: SBS2003 RPC over Http/s

      almost definitely certificate based.
      Also, RPCoHTTP in earlier versions of exchange I personally found to be a bit troublesome for the initial setup as it couldn't always reach the exchange server over RPC.

      maybe i was just doing it wrong :P)P
      Please do show your appreciation to those who assist you by leaving Rep Point


      • #4
        Re: SBS2003 RPC over Http/s

        If you set it up using the SBS wizards I'm pretty sure connection to the /rpc virtual directory requires SSL and won't work with HTTP. Been a while since I set it up though. As scurlaruntings suggests try the exchange connectivity website, which often gives more helpful errors than Outlook does.

        I'd also set Outlook to use Basic Auth, rather than negotiate. Username should be domain\username format.
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