Connection disallowed by login policy for this user

Error constant SQLE_CONNECTION_DISALLOWED_BY_LOGIN_POLICY
ODBC 2 State ERROR
ODBC 3 State ERROR
Severity 16
SQLCODE –1212
SQLSTATE 28W15
Sybase error code 13303
Probable cause

A connection attempt was disallowed based on the login policy for the user. It may be necessary for a user with DBA authority to reset this user via the ALTER USER statement.