Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes
Information for Database Error Code ORA-01987: client os username is too long
ORA-01987: client os username is too long
Cause: A client''s os username is too long for the os logon to succeed.
Action: Use a shorter os username.
Error Type: ORA
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