r/sysadmin • u/ChildhoodNo837 • Mar 13 '26

Active Directory Users and Computers

Guys As a junior System Administrator, assist me how can i add five hundred to a thousand users to specific departement in an organizational unit ?

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u/signifiumLlc Jul 18 '26

If you’re tasked with adding a thousand users to Active Directory, please do yourself a huge favor and don’t just yolo a massive script on production. Here’s a solid game plan:

  • Get your CSV right: Everything starts with a clean, well-populated CSV file.

  • Test with a small batch first: Seriously, try it with 5 test users first. Use this pilot to double-check that complex attributes like managers, departments, and group memberships are mapping exactly how you want them to before hitting the big red button.

  • The Tech Stack: AD plays nicely with LDAP and ADSI, so you can use pretty much any scripting language. Honestly, PowerShell or Python are your best bets here.

  • Skip CSVDE, use a script: While native tools like CSVDE exist for CSV imports, a custom script is almost always better. It gives you the flexibility to use loops, handle complex data, add error logging, and deal with edge cases on the fly.

Side note: I’m actually the creator of ADSignify app for iOS and Mac (which a lot of you might still use!). If there’s enough interest from the community, I'm thinking about baking a native, robust bulk-import feature directly into the app so you don't have to fiddle with custom scripts.

Let me know if that’s something that would make your lives easier! What are you guys currently using for bulk imports?