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Cannot restore RPC over HTTP after new certificate.

I just created a new certificate oma.company.com to get Activesync working with an IPhone, now that is working but our remote laptops have lost RPC over HTTP. I Updated the new certificate on the remote machines, changed the domain name for the server address in the Outlook Exchange client setup.
I have read and implemented most of the relevant Petri papers but still have this error in the Microsoft Textexchangeconnectivity. A couple of other posts have dealt with this error but none of them seems to list a usuable error.
Attempting to ping RPC Endpoint 6001 (Exchange Information Store) on server sierra.quicksilver.local
  Failed to ping Endpoint
 Additional Details
  An RPC Error was thrown by the RPC Runtime. Error 1130 1130
 
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pmacafee
Asked:
pmacafee
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2 Solutions
 
dud386Commented:
Are you using RPCping to get those results? You might try restarting the Exchange System Attendant service and trying to connect again.
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pmacafeeAuthor Commented:
Is that a service found in the Administrative Tools?
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pmacafeeAuthor Commented:
Is that a service found in the Administrative Tools?
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pmacafeeAuthor Commented:
Oh  BTW, what is RPCPing?
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pmacafeeAuthor Commented:
Cannot find the Exchange System Attendant in Ssrvices.
I always restart the IIS Admin Service after each Server Management change.
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dud386Commented:
It's a service under the local services. Start > Run > type: services.msc > click OK

Restart MS Exchange System Attendant

RPCping is a utility you can use to test RPC connections all the way to the mailbox server. More info here: http://support.microsoft.com/kb/831051
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pmacafeeAuthor Commented:
Did the restart.  No joy. Downloaded the 2003 Server RK to get the ping utility.
Will get to the office In the AM to run tests.  Bye for now.
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pmacafeeAuthor Commented:
Did the restart.  No joy. Downloaded the 2003 Server RK to get the ping utility.
Will get to the office In the AM to run tests.  Bye for now.
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RaghuvCommented:
Also to confirm if the configuration of RPC virtual directory is fine, try and raise https://oma.company.com/rc/rpcproxy.dll on the computer which has Outlook with RPC over HTTP config and ensure you get a blank page as a result....Also ensure you do not receive any certificate warnings...

Also when you ran the test on TestExchangeConnectivity, it will also give an option to help you to resolve the issue. Can you confirm what does the link suggests you....?
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pmacafeeAuthor Commented:
Raghuv;
I ran the dll test on 2 machines that have the certificate that I installed to get Activesync running.

When I navigate to the dll address suggested, I get a warning screen that asks for a certificate and a window displays no certificate. When I cancel out, I get a login for oma.company.com\me. When I log in I get a blank screen.
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RaghuvCommented:

To fix the issue i.e ""When I navigate to the dll address suggested, I get a warning screen that asks for a certificate and a window displays no certificate"" -> Open IIS manager (Assuming you have Windows 2003) -> locate RPC -> Right click and choose properties -> select Directory security tab -> Click on the bottom most edit button -> Under Client Certificates -> choose ignore.

For Windows 2008 -> Locate RPC in IIS manager -> Open SSL settings -> Under Client Certificates -> choose ignore.

Incase you still recieve a blank certificate window, then you will have follow the above procedure for the Default Web Site as well (Instead of RPC)
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pmacafeeAuthor Commented:
Ok, set ignore on rpc and rpc with certificate.
Not sure how to use the RPCping utility though.
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pmacafeeAuthor Commented:
That did it, connected, thanks Raghuv and dud386
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