This article is contributed. See the original author and article here.

Heya folks, Ned here again. We’ve released our next set of features and fixes for the Windows Server 2019 Storage Migration Service, as part of cumulative update KB4580390 (Windows Server 2019) & KB4580386 (SAC 1903, 1909) This update comes optionally in the third week of October and then as part of the normal “Patch Tuesday” on November 10. Read on for details.


We also have big new SMS features coming in early 2021 that I’ll be talking about at the Windows Server Summit on Thursday, October 29, 2020. Register now, it’s free!


What’s new

Installing these KBs on your SMS orchestrator and any WS2019 destination servers gives you:


  • Significant file transfer and especially re-transfer performance improvements

  • Significant inventory performance improvement with large number of files and folders 

  • Inventory validation

  • Fix for transfers failing if a source computer had an extremely large number of shares

  • Fix for the “Source not available” error when migrating account was missing permissions on shares

  • Fix for cluster network migrations

  • Fix for Windows Server 2003 inventory failure (yes I said 2003!)

  • Test for Windows Server 2008 R2 required update

  • Various Samba-Linux migration fixes

  • Various database and reliability fixes

There is also a new Windows Admin Center releasing into the feed. It includes:


  • A new prerequisites page to help you get ready for a migration



  • Inventory validation option


  • Automatic install of the cluster management tools on the orchestrator if not installed




  • Various ease of use and layout changes based on customer feedback

  • Note: we’re also going to add automatic installation of the SMS Proxy on the destination server if not already installed, but it will be in another WAC update a few weeks after this one.


Sum up

I’ll be updating the official SMS docs on some of these points, I know your boss doesn’t believe in blogs even though I wrote both articles. :D 


The  KB4580390 (Win10 1809, Windows Server 2019) & KB4580386 (1903, 1909) cumulative updates are available on the Microsoft Catalog for download, and will automatically install via Windows Update in the November patch Tuesday release. Let me know how it goes. And remember, more big features coming early next year, come watch the Windows Server Summit on Thursday, October 29, 2020 to learn more


– Ned “grind grind grind” Pyle

Brought to you by Dr. Ware, Microsoft Office 365 Silver Partner, Charleston SC.