Unable to Access Network Shares After Installing KB4480970, KB4480960

Unable to Access Network Shares After Installing KB4480970 & KB4480960

Philip Banks Windows OS

On Tuesday, January 8, 2019, Microsoft released monthly patches for January. These included security updates and monthly rollups. Reports quickly surfaced that KB4480970 and KB4480960 were causing issues with SMBv2 shares. Users with local administrator permissions were no longer able to access their network folders and mapped network drives. Standard local users and domain users were not affected. By Wednesday afternoon, Microsoft had acknowledged issues with KB4480970 and KB4480960. The issue surfaces when a user, who is a member of the local administrator group, tries to access a shared folder …

Philip BanksUnable to Access Network Shares After Installing KB4480970 & KB4480960