Windows 10 1803 and applications on SMB1 shares can't connect to anything


is there a fix available for the issue in the subject? After upgrading to 1803 our client server application is unable to connect to anything if the application resides on a SMB1 share, and about 200 of our customers still use Windows Server 2003 which can only handle SMB1, so no SMB2 nor SMB3, and they are almost all small townhalls with very limited budget. They still have lots of Windows XP clients, for example, due to their limited budget, so e can't tell all of them to upgrade their servers to WIndows Server 2008 or later. 


While I do agree that using Server 2003 is an inherent security risk, Microsoft released a patch yesterday which ended up fixing a very similar issue that one of our clients was having running a shared executable SQL Server connection over SMBv1. Try the patch and see if it solves it. KB4284848 (OS Build 17134.137)

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Last updated July 13, 2020 Views 18,853 Applies to: