ORA-06127: NETTCP: unable to change username
Cause: The host s SQL*Net TCP or IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).
Action: Create new user account on host.
Cause: The host s SQL*Net TCP or IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).
Action: Create new user account on host.
