WSUS: Additional download urls for sync

[German]A brief note ‘from the past’ for administrators of a WSUS (Windows Server Update Service). Microsoft has extended the URL to download updates for WSUS.


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I suppose the majority of WSUS administrators have noticed and taken this into account. But as a reminder, I’ll provide the information here.

What’s the problem?

In WSUS, you can enter URLs of web servers that you want to connect to at the time of WSUS synchronization. These URLs are described in the Microsoft document Step 2: Configure WSUS in Section 2.1. Configure network connections. Microsoft added a URL to this document some time ago. The list now includes the following URLs:

  • http://windowsupdate.microsoft.com
  • http://*.windowsupdate.microsoft.com
  • https://*.windowsupdate.microsoft.com
  • http://*.update.microsoft.com
  • https://*.update.microsoft.com
  • http://*.windowsupdate.com
  • http://download.windowsupdate.com
  • https://download.microsoft.com
  • http://*.download.windowsupdate.com
  • http://wustat.windows.com
  • http://ntservicepack.microsoft.com
  • http://go.microsoft.com
  • http://dl.delivery.mp.microsoft.com
  • https://dl.delivery.mp.microsoft.com

Microsoft’s article is from 2017 and does not have an update date. But the last two entries in the list above has been added sometime in February / March 2019. Blog-reader Markus K. has informed me about this announcement in the japanese Technet-Blog in the middle of February 2019. I interpret the text in such a way that Microsoft successively uses the latter two servers to provide various updates. In February 2019, according to the Japanese Microsoft employees, only the update KB4486996 for Windows 10 Version 1709 was synchronized via these URLs. Perhaps this is of interest to some WSUS admin who did not update the URL list. Thanks to Markus for the hint (bummed around in my To Do list and is now finished).


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