Problem creating Active-sync virtual directory when reinstalling Exchange 2007

We tried to upgrade our exchange 2007 to the newest SP3 and that upgrade went wrong and we couldn't proceed. We manually removed the exchange.

Now when we tried to install the SP3 version we got the error:
Client Access Role

An error occurred while creating the IIS virtual directory 'IIS://app1.domain.local/W3SVC/1/ROOT/Microsoft-Server-ActiveSync' on 'app1'.

The network path was not found.

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We have reinstalled the iis and the errror is still there.
I think there is anything we missed to delete when we made the manual uninstall of the first exchange but we can't find it.

/Per-Erik Modig
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Have you opened IIS manager and checked "old" virtual settings?
pemodigAuthor Commented:
The old virtual settings are gone since we reinstall the iis.
I tried to manually create the virtual directory but then i get the message that a virtual directory with the same name exists.

The installation have created the following directories; Autodiscover, Exchange, Exchweb, OAB, owa, public and UnifiedMessaging.

So it looks like it's only the active sync directory thats not generated.

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pemodigAuthor Commented:
Thanks als315 for trying to help me.

The Remote Regsitry Service is started.

I will try to install the exchange without CAS role an then add that role from shell afterwards.

pemodigAuthor Commented:
The last lines in Exchangesetuplog is as follows:

[2010-10-16 14:38:14] [2] Processing object "app1\Microsoft-Server-ActiveSync".
[2010-10-16 14:38:26] [2] [WARNING] A failure occurred while trying to enable the ISAPI filter.
[2010-10-16 14:38:27] [2] [ERROR] Unexpected Error
[2010-10-16 14:38:27] [2] [ERROR] An error occurred while creating the IIS virtual directory 'IIS://app1.domain.local/W3SVC/1/ROOT/Microsoft-Server-ActiveSync' on 'app1'.
[2010-10-16 14:38:27] [2] [ERROR] The network path was not found.

[2010-10-16 14:38:27] [2] Ending processing.
[2010-10-16 14:38:27] [1] The following 1 error(s) occurred during task execution:
[2010-10-16 14:38:27] [1] 0.  ErrorRecord: An error occurred while creating the IIS virtual directory 'IIS://app1.domain.local/W3SVC/1/ROOT/Microsoft-Server-ActiveSync' on 'app1'.
[2010-10-16 14:38:27] [1] 0.  ErrorRecord: System.InvalidOperationException: An error occurred while creating the IIS virtual directory 'IIS://app1.domain.local/W3SVC/1/ROOT/Microsoft-Server-ActiveSync' on 'app1'. ---> System.IO.IOException: The network path was not found.

   at Microsoft.Win32.RegistryKey.Win32ErrorStatic(Int32 errorCode, String str)
   at Microsoft.Win32.RegistryKey.OpenRemoteBaseKey(RegistryHive hKey, String machineName)
   at Microsoft.Exchange.Management.Metabase.ActiveSyncIsapiFilter.CreateFilter(String adsiWebSitePath, Boolean& filterCreated)
   at Microsoft.Exchange.Management.SystemConfigurationTasks.MobileSyncVirtualDirectoryHelper.InstallIsapiFilter(ADMobileVirtualDirectory vdirObject)
   at Microsoft.Exchange.Management.SystemConfigurationTasks.NewMobileSyncVirtualDirectory.InternalProcessMetabase()
   at Microsoft.Exchange.Management.SystemConfigurationTasks.NewExchangeVirtualDirectory`1.InternalProcessRecord()
   --- End of inner exception stack trace ---
[2010-10-16 14:38:27] [1] [ERROR] An error occurred while creating the IIS virtual directory 'IIS://app1.domain.local/W3SVC/1/ROOT/Microsoft-Server-ActiveSync' on 'app1'.
[2010-10-16 14:38:27] [1] [ERROR] The network path was not found.

[2010-10-16 14:38:27] [1] Setup is halting task execution because of one or more errors in a critical task.
[2010-10-16 14:38:27] [1] Finished executing component tasks.
[2010-10-16 14:38:27] [1] Ending processing.
[2010-10-16 15:14:29] [0] End of Setup
[2010-10-16 15:14:29] [0] **********************************************

Have you switched IIS to 6-bit mode, as recommended?
It is strange, because other virtual directories were created successfully.
pemodigAuthor Commented:
Thanks for your help!

The setup is now completed.

Tha last things i fix was:
1. Run windwos update and fetch some updates
2. Switch iis to 64 bits as you mentioned
3. set Printing an files sharing on the wan nic.


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