Cannot generate SSPI context


I have a user who regularly uses Jet with no problems, but today is getting the following error,

Jet could not verify your license status for the following reasons:
Dynamics NAV C/Front report the following error:
The following ODBC error occurred:
Error: [Microsoft][ODBC SQL Server Driver] Cannot generate SSPI context
State ID: HY000
Please check your data source settings

He is still able to access Dynamics NAV application with Windows Authentication. Switching from Windows Authentication to Database Authentication and then back to Windows worked once to make the error go away, but it is not working now.

This error is not impacting other Jet users with Windows Authentication.

Has anyone else seen this? Any suggestions?

Thank you,


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