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.NET 3.5 SP1 and Family Update Information

.NET 3.5 SP1 and Family Update Information

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Hi WSUS Admins:

 

We’ve noticed some confusion about the recently released updates for Microsoft .NET Framework 3.5 SP1.  So, let’s see if we can help clarify the differences in the packages.  These updates apply to x86 and x64 computers.  The detailed update descriptions describe both the platform and OS architecture that apply for each of the updates. You’re also likely wondering about the differences in the update titles. Here are the differences:

 

1.      The update titled “Microsoft .NET framework 3.5 Family Update (KB959209)” updates computers already running .NET Framework 3.5 SP1 with the latest compatibility fixes.  So, if you only want to update existing .NET Framework 3.5 SP1 computers with the latest fixes, then approve these packages.

 

2.      The update titled “Microsoft .NET Framework 3.5 Service Pack 1 and .NET Framework 3.5 Family Update (KB951847)” will upgrade computers with .NET Framework 2.0, 3.0, 3.5 to the latest version of the .NET Framework 3.5 SP1, and will also apply KB959209 (#1 above). If you want to upgrade/update all of your computers to the latest version of the .NET Framework and apply the latest compatibility fixes, then approve these packages.

 

If  you know you only need the latest compatibility fixes for 3.5 SP1, then we recommend you only approve the Microsoft .NET framework 3.5 Family Update (KB959209).   Otherwise, we recommend that you approve the second update.

 

 

Thanks,

 

The WSUS team

Comments
  • I can't even import 951847 - I get the following notice:

    "This update cannot be imported into Windows Server Update Services, because it does not have the required applicability information."

    What gives?

  • Okay, the explanation was clear enough. KB959209 will update pcs with net 3.5sp1 already installed. KB951847 will update pcs only with or without net 3.5. However, please explain why I have kb951847 showing up twice and kb959209 not even showing up. Both kb951847 listed twice are identical. Same files inside, same revision. However about 80% of my pcs say they need 1 of them. The other say they need the other. Any help?

  • My question is why do these updates weigh in at a hefty ~250 megs when the framework itself and even together with SP1 is a much smaller package?  How could the mysterious post-SP1 "updates" be roughly 10x the standalone framework?  

  • @MikeF

    You're referring to the Windows XP edition of KB951847, right?

    Yes, it's indeed a shame that Microsoft seems to be unable to release an streamlined update including only the files needed for x86 systems. Since January 27th, KB951847 for Windows XP systems consits of the WHOLE REDISTRIBUTABLE PACKAGE of .NET Framework 3.5 SP1 plus the Language Pack files on non-english Windows XP systems, resulting in a up to 280 MB download for these systems in case at least .NET Framwork 2.0 is installed on Windows XP pushed via Auto Update and on Windows Update.

    This fact has been and is still UNACCEPTABLE!

    Surprisingly http://support.microsoft.com/kb/894199/en-us on April 23th once announced an updated version of KB951847 "Updated the packages to make them architecture specific and smaller in size" to be released on April 28th. All of the sudden, this announcement vanished on April 28th and (of course) the revised version of KB951847 has not been released...

  • Hello,

    any news for the "Microsoft .NET Framework 2.0 Service Pack 2" ?

    It has been released on the 16 genuary 2009, but there's still anything on our wsus...

    Thanks,

  • So tell me does that mean if my computers are all updated to a certain point then KB951847 is going to faill on all of them?

  • I've just come away from a first site visit to a potential customer, looking really stupid, because I was unable to successfully apply .NET Framework 3.5 SP1 on all his machines. One took three attempts, one took 40 minutes and a third wouldn't install at all...

  • showing up twice and kb959209 not even showing up. Both kb951847 listed twice are identical. Same files inside, same revision. However about 80% of my pcs say they need 1 of them. The other say they need the other. Any help?

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  • Microsoft .NET Framework 3.5 Service Pack 1 and .NET Framework 3.5 Family Update (KB951847) x64

    Download size: 25.7 MB - 82.7 MB

    Windows update always says I need this update when I run it. I can download it but, the stupid thing will not install. I have tried many times. Anyone know why???  Is this common?

  • This update was showing up as a needed update for about 100 systems in my network till last week but now it's showing as not required for all of them. Even if I try to approve the updates it says this update has expired and can not be approved for installation.

  • I wish they would put on here what system these updates are for. I'm currently on Vista.

  • Thanks for putting up the information.

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  • SP1 for 3.5 makes so many programs work better for me. It can be hard to keep track of patches but this one was a great release.

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