I have frequent access error log like below:
Error: 17806, Severity: 20, State: 14.
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: 222.186.XX.XX]
I see many IPs that are trying to login to my servers.
Tell me please, I don't know what I have to do in this situation, Do you prefer to change my SQL SERVER port or not?
I follow this answer but I don't get right answer: SQL Server error log entry : Error: 17806, Severity: 20, State: 14