Installing and Configuring DB2 Clients

Usernames, Group Names, and Instance Names

Usernames are the identifiers assigned to individual users. When naming users, groups, or instances, see General Naming Rules.

In addition, the name you specify:

• Can contain 1 to 8 characters

• Cannot be any of the following:
  • USERS
  • ADMINS
  • GUESTS
  • PUBLIC
  • LOCAL

• Cannot begin with:
  • IBM
  • SQL
  • SYS

• Cannot include accented characters

• In general, when naming users, groups, or instances:
  • On OS/2, use uppercase names.
  • On Windows 32-bit operating systems, use any case.
  • On UNIX, use lowercase names.

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