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This page <a href="http://msdn.microsoft.com/en-us/library/bb822049%28v=vs.110%29.aspx" rel="ugc nofollow">http://msdn.microsoft.com/en-us/library/bb822049%28v=vs.110%29.aspx</a>&nbsp;says that it must be enabled/disabled in the Control Panel for 2008 R2 SP1 and that it comes with that version. &nbsp;That may mean that you can not un-install it.
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This page http://msdn.microsoft.com/en-us/library/bb822049%28v=vs.110%29.aspx [http://msdn.microsoft.com/en-us/library/bb822049%28v=vs.110%29.aspx] says that it must be enabled/disabled in the Control Panel for 2008 R2 SP1 and that it comes with that version.  That may mean that you can not un-install it.

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hi Experts,<br />
<br />
I want to uninstall .net 3.5.1 feature from Server 2008R2, but I am getting an error message as below<br />
&quot;Attempt to un-install .net 3.5.1 failed with error code 0x80073712.<br />
I used .net removal tool with out much luck.<br />
please check the screen shot to find the error message.<br />
<a href="https://filedb.experts-exchange.com/incoming/2014/12_w50/887162/10-Dec-14-8-53-08-AM.png" target="_blank" class="file-inline" title="Error message (13 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>10-Dec-14-8-53-08-AM.png</a>
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10-Dec-14-8-53-08-AM.png

hi Experts,

I want to uninstall .net 3.5.1 feature from Server 2008R2, but I am getting an error message as below
"Attempt to un-install .net 3.5.1 failed with error code 0x80073712.
I used .net removal tool with out much luck.
please check the screen shot to find the error message.

Unable to uninstall .net 3.5.1 Server 2008 R2

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

A server is a computer program or a machine that waits for requests from other machines or software (clients) and responds to them. This architecture is called the client–server model. The clients may run on the same computer or may connect to the server over a network. The purpose of a server is to share data or hardware and software resources among clients. Typical computing servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.

Server Software

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.