This article Microsoft Offers More Advice on Disabling Windows SMB 1 on May 18, 2017 at https://redmondmag.com/articles/2017/05/18/more-advice-on-disabling-windows-smb-1.aspx contains Microsoft advice that SMB-1 be disabled as it has been used in ransomware outbreaks.
In the article it notes the adverse impact on scanning to network share folders -
According to Pyle, the only reasons to continue to use SMB 1 include:
- You're still running XP or WS2003 under a custom support agreement.
- You have some decrepit management software that demands admins browse via the 'network neighborhood' master browser list.
- You run old multi-function printers with antique firmware in order to "scan to share."
I had been scanning to a share folder successfully for 2-3 years.
After installing a Windows 10 update last week, I now consistently get "031-530 SMB path error" when trying to scan from my Fuji Xerox DocuPrint M255 multifunction printer.
Scanning initiated from a twain driver on my PC is still working.