Can't install Exchange Server 2010

I have an issue with installing Exchange 2010.

I currenyl have an Exchange 2003 server in out organistaion. About 6 months ago I installed and Exch 2010 server for testing and eventual migration. Due to cirumstances my testing got delayed and the test server is now unrecoverable.

Now I am trying to install a new 2010 Exchnage server. Before I did this I was cleaning out some of the old references to the other test server. I also deleted the default routing group for the previous 2010 server in ESM on Exch 2003.

Now I have an issue. When I attempt to install the new 2010 server I get the following error:

The following error was generated when "$error.Clear();
          if ($server -eq $null)
          {
          Add-RoutingGroupMember -DomainController $RoleDomainController -ServerName $RoleNetBIOSName
          }
        " was run: "Could not find the default Routing Group 'Exchange Routing Group (DWBGZMFD01QNBJR)'.".

Could not find the default Routing Group 'Exchange Routing Group (DWBGZMFD01QNBJR)'.
Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex88D115&l=0&cl=cp


I have tried to create the routing group through Exch 2003 ESM but you can't. ESM on the 2010 install has very limited functionality and Exch Man shell cannot connect to the exchange server:

[slsvex.mydomain.com] Connecting to remote server failed with the following error message : The WinRM client sent
a request to an HTTP server and got a response saying the requested HTTP URL was not available. This is usually returne
d by a HTTP server that does not support the WS-Management protocol. For more information, see the about_Remote_Trouble
shooting Help topic.
    + CategoryInfo          : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [], PSRemotingTransportExc
   eption
    + FullyQualifiedErrorId : PSSessionOpenFailed


Help please!

sydlegAsked:
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joelgaskellCommented:
It sounds like AD still has a record of the default Exchange 2010 routing group, even though it has been deleted.  The Exchange 2010 setup process in a clean environment sets up this routing group, so the fact that it is not setting it up, but trying to add a member to what it thinks is an existing routing group, leads me to believe there are still references in AD to that routing group.

I would start by having a look via ADSIedit.  Go to Configuration -> Services -> Microsoft Exchange -> (organisation name) -> Administrative Groups -> Exchange Administrative Group -> Routing Groups

If the Exchange 2010 default routing group is listed, then I would delete it from here and re-run Exchange 2010 setup.  Hopefully that may be enough to trigger the setup to recreate the routing group correctly.

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sydlegAuthor Commented:
Yep this seems to have sorted it out...tks
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