Definition Update for Windows Defender – infinite loop

I recently came across an odd situation involving Windows Server 2016 and WSUS updates.

On the WSUS server, I typically see several new Definition Updates for Windows Defender (KB2267602) every day. E.g. on 2017-11-26, Microsoft released:

  • 1.257.995.0
  • 1.257.996.0
  • 1.257.998.0
  • 1.257.1001.0
  • 1.257.1003.0
  • 1.257.1005.0

The update with the highest number will supersede the others, so I only approve that one. I then install this update on my other servers, and verify that they’re all up to date with patches (0 needed).
NB Windows Defender only runs on Windows Server 2016, not Windows Server 2012 R2 (or older). I’ve only tested this on core server, not the GUI edition.

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Windows FTP clients

I’ve recently been setting up a new FTP server, and I wanted it to support FTPS. However, I ran into a few problems when I tested it, which turned out to be partly due to the client software I was using. I’ve been using CuteFTP for several years: I registered for version 1.0 back in 2001, and I’ve been using version 8 since 2007. However, I’m now abandoning that in favour of FileZilla.

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