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RPC Over HTTP Front End / Back End on Cluster / Separte Domain

I have searched a lot and tried many things before coming here and putting this question.

Scenario is,

1. I have Exchange 2003 Server with SP2 running on Cluster ( On Win 2003 ) , which is also hosting Outlook Web Access. Users are connecting it with out any issues.
2. My DC is separate , which is also a GC  ... I have another DC as backup which is also another GC ..

All these are on same LAN .. No Firewalls.

3. Now I introduced a new Exchange 2003 , will be my Front-End Server and also I need to configure RPC over HTTP and later HTTPS

What I have done,

1. I changed the setting of my existing Exchange Server Cluster ( both Servers ) through GUI , Exchange System Manager, RPC-HTTP tab, to act as a BACK-END Server.
2. I went back to Front-End Server, installed the required Windows Component for RPC ...
3. I was following SEMBEEs doc.. I changed the settings of Front-End server as FRONT-END using GUI ( Same Exchange System Manager RPC-HTTP tab )

But when I browse the RPC site, it keeps asking me username and password..

However, I am getting OWA through Front-End Server ...

Where should I check and what should I do in this scenario?

I have verified the Registry settings in FRONT END Server which Sembee explained ,  it s fine.
But, should I do any registry changes in BACK-END as well ? .. I mean, on both Cluster Servers? .

I have done the Chagne in DC-GC Server correctly.

What I should do inorder to get it work ...

Thanks in advance..
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manu4u
Asked:
manu4u
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2 Solutions
 
manu4uAuthor Commented:
Heres the REG setting I put in FRONT END

Under [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Rpc\RpcProxy]

"ValidPorts"="ex-front.sultan.com:100-5000;exchange.sultan.com:6001-6002;exchange.sultan.com.sultan.com:6001-6002;dom0307.sultan.com:6001-6002;dom0307.sultan.com.sultan.com:6001-6002;exchange.sultan.com:6004;exchange.sultan.com.sultan.com:6004;dom0307.sultan.com:6004;dom0307.sultan.com.sultan.com:6004;mail.EXXTTERRNAL.com:6001-6002;mail.EXXXTERNAL.com:6004;dom0307.sultan.com:593;dom0307.sultan.com.sultan.com:593;exchange.sultan.com:593;exchange.sultan.com.sultan.com:593;mail.EXXXTERNAL.com:593;"

The above shown is a single line.
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manu4uAuthor Commented:
It is not a SINGLE Server Scenario ...
That microsoft doc, it didnt help at all ...
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manu4uAuthor Commented:
No other help ?
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manu4uAuthor Commented:
A bit disappointed,
any help or comments will be much appreciated..
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manu4uAuthor Commented:
Finally

I figured it out myself .. It wasnt tough as I thought ...  
All I needed was a 30 days TRIAL Certificate from RAPIDSSL

Heres some links that helped me ...

First you need to create a CSR , Just follow the below link to select your webserver type and HOWTO Get CSR

http://www.rapidssl.com/freessl/freessl-csr.html 

Once you got the CSR , follow the RAPIDSSL , they will even phone you to confirm, then they will send you a link to approve the certificate and once you approved , they will email you the CERTIFICATE ..

Then you can install your certificate using  the following link ( if it is IIS )

http://www.rapidssl.com/resources/install/rapidssl/MS_IIS5.htm

Kindly refund my points.

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