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IIS error while install ocs 2007 R2

Dear All,

I’m facing the attached error when I tried to install OCS 2007 R2 Enterprise, this appear when I try to add server to pool.

i'm trying to install OCS 2007 R2 on Windows 2008 R2.

Please help


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Avatar of trial1982


Most likely your iis setup does not have all the required iis components installed. Please uninstall your current iis and enter the following command in powershell.

1. In Windows 2008 R2, open a PowerShell command window as Administrator and run the following commands:

Import-Module ServerManager
Add-WindowsFeature Web-Static-Content Web-Default-Doc Web-Dir-Browsing Web-Http-Errors Web-Asp-Net Web-Http-Logging Web-Request-Monitor Web-Windows-Auth Web-Filtering Web-Stat-Compression Web-Mgmt-Console Web-Mgmt-Compat

2. Ensure that the acocunt used to install has sufficient rights as well. Needed Domain Administrator and Local administrator
Avatar of Mohamed Khairy
Hi Arabsoft_Security,

I will post you the same answer again here because as I mentioned earlier on the previous question : OCS 2007 R2 is not Supported on Win 2008 R2 :

Try to start the installation again on Microsoft Windows Server 2008 SP2 because Microsoft Windows Server 2008 R2 is not supported operating system for Office Communication Server R2:

And dont worry about the steps you have just finished like AD and Schema prep because ocs will find and detect that this step was completed and continue on the other steps.

However you can find a lot of work arounds that may make the installation completed like what it came here 

but it will not works fine and you will face many other problems that will make you alway busy on solving it.


It used to be unsupported(oldnews) but now it is. You may follow the product support article from Microsoft itself.
@trial:  My recent information is that Office Communications Server 2007 R2 is fully supported on Windows Server 2008 and not on 2008 R2.

Office Communications Server 2007 R2 roles and functions are not fully supported on a Windows Server 2008 R2 an example for this : deploying Office Communications Server 2007 R2 Group Chat on the Windows Server 2008 R2 operating system is currently not supported.

Also I mentioned before that he can make it work but it will not works fine and he will face many other problems that will make him alway busy on solving it.
Refer the workaround in this article:
Avatar of duffman76

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Follow the 8 steps in
You need a lot of prerequisites and a lot of time.
If you need to be quick, just use 2008 sp2.
You may have to uninstall .net 4.0 if you have that installed already.  It wants to use 3.5.  
@ ThrainSonOfTimor: I am totally agree with you.