Microsoft Download Center Archive
Hotfix for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1 | 
Install this Hotfix to resolve the issue described in the Knowledge Base Article linked below.
- For a complete listing of the issues that are resolved by this Hotfix, see the associated Microsoft Knowledge Base article for more information. 
FIX: Hotfix 982867 updated for an Exchange Server 2010 environment: "WCF services that are hosted by computers together with a NLB fail in the .NET Framework 3.5 SP1"
After you install this Hotfix, you may have to restart your computer. 
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Files
Status: DeletedThis download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.  | 
| File | Size | 
|---|---|
SHA1:  82288fb87a219a89bc5aae4d8c0a4a7013b3e590 | 2.70 MB | 
SHA1:  413b3edbe0ed1d8d42e2b0d8fd240173a4ed4cca | 4.20 MB | 
SHA1:  fb5c0d41966ff15bca1597b330f4161d05b1d6a0 | 4.17 MB | 
System Requirements
Operating Systems: Windows 7 Service Pack 1, Windows Server 2008 R2 SP1
Note: More information about Service Pack levels currently supported for the platforms listed above can be found in the following page: Microsoft Product Support Lifecycle.
Installation Instructions
- Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Change.
 - Do one of the following:
 - To start the installation immediately, click Run.
 - To save the download to your computer for installation at a later time, click Save.
 - To cancel the installation, click Cancel.