File Sharing Issue – (Due To System Security Settings)

Go to Group Policy Editor and follow below steps-

Run- type ‘gpedit.msc’- Computer configuration- Windows Settings- Security Setting- local policies-Security Options.

At the right-side panel keep disable below security settings.

Microsoft network server: Digitally sign communications (always)

Microsoft network server: Digitally sign communications (if client agrees)

And

Microsoft network client: Digitally sign communications (always)

Microsoft network client: Digitally sign communications (if client agrees)