Patch Lady – Networking issues and KB 4088875

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As Woody pointed out earlier today there are some reports of networking issues after the install of this month’s Server 2008 r2 and Windows 7 patch. 
[See the full post at: Patch Lady – Networking issues and KB 4088875]

Susan Bradley Patch Lady

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woody

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Our office has been having issues along the lines of Scenario 2 even before this particular update. I told the IT guy to disable power management for all network cards on all computers at the office. This seemed to mostly resolve the issues of losing workstation to server connections, yet hasn’t resolved all issues regarding being able to save locally edited documents back onto the server.

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KB4088875 is also currently unticked by default for me. However, it was ticked by default for  me a day ago, so I believe the reason that KB4088875 is now unticked by default is due to its issue(s), not update throttling by Microsoft.

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The “SMB servers may experience a memory leak” issue wasn’t introduced in the March 2018 updates. If Microsoft’s documentation is accurate, the issue was introduced in the January 2018 updates.

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abbodi86, woody

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I just  searched  for updates and KB4088875 does not appear anymore??

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I just got a tweet from Tor Vigesdal that pointed me to an interesting article.

Dan Stolts wrote an article for TechNet back in 2010 that gives worthwhile tips.

How to Find a Lost, Missing, Hidden or Removed Network Card (NIC) or Other Device and Even Remove it

Thanks, Tor!

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abbodi86

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I just scanned for updates from Microsoft on Win 7 Pro 64 bit and it looks like Microsoft has pulled KB 4088875

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The Reddit topic linked to in last article mentioned that the issue seemed to be only with Intel NICs.  This would make sense as I believe VMWare default virtual NICs are emulated Intel; older emulated Hyper-V NICs are Intel as well.  Newer (Gen 2/3) Hyper-V setups generally use synthetic NICs which should bypass this issue.

Likewise if your desktop/server is having problems with static IPs going away, check to see if it’s an Intel card.  I suspect older Intel are what’s being affected, newer cards may have no issues.

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