Symptom
During the installation / system copy export for Oracle on Windows environment, below error message coming out,
Open the ora_sql_results.log,
Service username too long: max length is 30
OPS$HOSTNAME\SAPSERVICESID
begin
*
ERROR at line 1:
ORA-20000: Service username too long: max length is 30
ORA-06512: at line 19
Solution
Reduce your server hostname character and redo the installation.
Reference
314671 – Long WINDOWS domain names and Oracle 8.1.x or higher
849423 – Length of hostname for ABAP installation on Windows/Oracle
