Security Log Failure Event ID 4771 Kerberos pre-authentication failed. Mapped Drives not working

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I have someone with a laptop and desktop. Periodically mapped drives will not work. They have a green dot but you cannot expand the list of subfolders, see files, etc. This are DFS shares. If I sign in on the laptop as a different user, everything works. He told me the desktop also does this at times. There are eventid 4771 entries for the user in the event log of the server.Account Information: Security ID: ******************** Account Name: *************************** Service Information: Service Name: krbtgt/************************** Network Information: Client Address: ::ffff:192.

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