Db2 user names and passwords

These are the rules for using Db2® user names and passwords.

Db2 user names and passwords must follow these rules:
  • UNIX user names and passwords cannot be more than eight characters long. They cannot begin with a numeric digit or end with $.
  • Group and instance names can contain 1 to 8 characters.
  • Names cannot be any of the following:
    • USERS
    • ADMINS
    • GUESTS
    • PUBLIC
    • LOCAL
  • Names cannot begin with:
    • IBM®
    • SQL
    • SYS
  • Names cannot include accented characters.
  • UNIX users, groups, and instance names must be lowercase.