I currently manage an Active Directory setup on a Windows 2012 server, but I'm seriously considering upgrading this year. My trust in Windows has really diminished; I find modern versions to be pretty unreliable. I'm wondering if there's a way to implement something similar to Active Directory on a Linux system? We have about 150 users whose information will need to be migrated over.
4 Answers
Honestly, if your Windows AD server feels unreliable, there might be underlying issues with your setup rather than with Windows itself. I've been using Windows Server 2016 and 2022 without any significant problems, so I wouldn't jump straight to Linux alternatives without exploring the issues you're having.
You might want to check out OpenLDAP! It's a solid choice and can do the job instead of Active Directory. Just keep in mind, LDAP solutions can be a little tricky compared to how seamlessly AD works, especially when dealing with Windows clients. Be ready for some adjustments since Microsoft sometimes deviates from standard LDAP protocols.
If you're thinking about making the switch, Samba 4 is an option for setting up an Active Directory-style domain controller. It's manageable for your user count, but be warned: it does come with a steeper learning curve when it comes to advanced configurations. Do you have enough Linux expertise on your team to support that?
JumpCloud is worth considering as well. It's a strong contender and focuses specifically on identity management. However, keep in mind that Active Directory is still the industry standard, so weigh your options carefully. If you're worried about Windows Server 2025, going with a more stable version like Server 2022 could be a safe bet.

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