SSPI handshake failed

Error

SSPI handshake failed with error code 0x8009030c, state 14 while establishing a connection with integrated security; the connection has been closed. Reason: AcceptSecurityContext failed. The Windows error code indicates the cause of failure. The logon attempt failed

Alert

USE [msdb]
GO

EXEC msdb.dbo.sp_add_alert @name=N'Error 20 Alert', 
		@message_id=0, 
		@severity=20, 
		@enabled=1, 
		@delay_between_responses=0, 
		@include_event_description_in=1, 
		@category_name=N'[Uncategorized]', 
		@job_id=N'00000000-0000-0000-0000-000000000000'
GO

SQL Server Log

Source		Logon

Message
Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. [CLIENT: XXXXXXXX]

Message
SSPI handshake failed with error code 0x8009030c, state 14 while establishing a connection with integrated security; the connection has been closed. Reason: AcceptSecurityContext failed. The Windows error code indicates the cause of failure. The logon attempt failed   [CLIENT: XXXXXXXX]