In this post, you’ll learn about the Windows System Error ERROR_PKINIT_FAILURE (0x4EF)] and the reason why you are receiving the error message
How does this Error in Windows Look like?
Error Code 1263 ERROR_PKINIT_FAILURE (0x4EF)]
Why do you receive the System Error Error Code 1263 ERROR_PKINIT_FAILURE (0x4EF)] in Windows?
The Kerberos protocol encountered an error while validating the KDC certificate during smartcard logon. There is more information in the system event log.