SSPI handshake failed with error code 0x80090304, (state 14) while establishing a connection with integrated security. The Local Security Authority cannot be contacted.

It started off when some (not all are affected) of our sql server instances notified us for Instance Offline state. I checked the instances and all looking good, when I checked the sql logs found this SSPI handshake failed issue (as the whole title above). The message suggest that the local security authority cannot be contacted, so my suspicion was it has something to do with windows authentication but I had no way of confirming it apart from asking our infra. I raised the concern to infra and they confirmed they patched the domain controller hence it’s affecting kerbors authentication.

Check these links to find out more information about the SSPI handshake issue (this and this).