When connecting from a Solaris system to another Solaris system you see the invalid UTF-8 sequence error,
ssh bhitch@krypton.com invalid UTF-8 sequence: Cannot convert UTF-8 strings to the local codeset invalid UTF-8 sequence: Cannot convert UTF-8 strings to the local codeset invalid UTF-8 sequence: Cannot convert UTF-8 strings to the local codeset invalid UTF-8 sequence: Cannot convert UTF-8 strings to the local codeset
The server (sshd) will log the error message to syslog as shown,
Aug 17 16:58:42 hostname sshd[4629]: [ID 800047 auth.error] error: Can't convert to UTF-8: Cannot convert the local codeset strings to UTF-8
Fix
install package SUNWuiu8