Microsoft KB Archive/937309

= Error message when you try to install Communicator Web Access (2007 release): &quot;You must install ASP.NET v2.0.50727 first&quot; =

Article ID: 937309

Article Last Modified on 8/15/2007

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APPLIES TO


 * Microsoft Office Communicator Web Access
 * Microsoft Office Communications Server 2007 Enterprise Edition
 * Microsoft Office Communications Server 2007 Standard Edition

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SYMPTOMS
When you try to install Microsoft Office Communicator Web Access (2007 release), you receive the following error message:

You must install ASP.NET v2.0.50727 first.



CAUSE
This issue occurs when one of the following conditions is true:
 * ASP.NET 2.0.50727 is not installed on the computer.
 * ASP.NET 2.0.50727 is set to prohibit Internet Information Services (IIS) Manager.
 * Both .NET Framework 2.0 and .NET Framework 3.0 are installed on the computer. This condition causes ASP.NET 2.0.50727 to work incorrectly.



RESOLUTION
To resolve this issue, follow these steps:  Click Start, click Run, type inetmgr, and then click OK. In IIS Manager, expand  (local computer), and then click Web Service Extensions. Make sure that ASP.NET v2.0.50727 is listed and is set to Allowed.  If ASP.NET v2.0.50727 is not set to Allowed, right-click ASP.NET v2.0.50727, and then click Allow. If ASP.NET v2.0.50727 is not listed, repair .NET Framework 2.0. To do this, follow these steps:  Click Start, click Run, type appwiz.cpl, and then click OK. Click Microsoft .NET Framework 2.0, and then click Change/Remove.</li> Select Repair, and then click Next. The repair process starts.</li></ol> </li></ul> </li> When ASP.NET v2.0.50727 is listed and is set to Allowed, install Communicator Web Access (2007 release).</li></ol>

Additional query words: CWA

Keywords: kbexpertiseinter kbtshoot kberrmsg kbprb KB937309

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