Hi Jan,
Unfortunately, there's no direct or automated way to migrate an Active Directory domain controller from a QNAP NAS to a Synology NAS. Both QNAP and Synology offer Active Directory-like services, but they are not directly compatible with Microsoft's official Active Directory implementation.
Here are your options:
Manual AD Migration with Windows Server:
This is the most complex option but allows you to migrate your domain to a true Windows Server Active Directory instance.
The process involves setting up a new Windows Server as a domain controller in your existing domain, promoting it to a primary domain controller (PDC), and then demoting and removing the QNAP NAS from the domain.
This requires a good understanding of Active Directory and carries some risk. It's recommended to consult a network administrator or refer to Microsoft documentation for detailed steps:
https://learn.microsoft.com/en-us/window...s-overview
Start Fresh with Synology Directory Server (SDS):
If your domain is not very complex, you can consider starting fresh with Synology Directory Server (SDS) on your Synology NAS.
SDS is Synology's LDAP-based directory service, offering some Active Directory-like functionalities. However, it's not a direct replacement for Microsoft's AD.
You would need to recreate user accounts, groups, and policies in SDS.
Third-Party Migration Tools:
Some third-party migration tools claim to migrate Active Directory between different platforms. However, these tools can be expensive and their effectiveness can vary.
Proceed with caution and thoroughly research the tool and its compatibility before using it.
Recommendation:
Consider the complexity of your domain and your technical expertise.
If your domain is simple and you're comfortable with some downtime, a fresh start with Synology Directory Server might be feasible.
For more complex domains or if you require a true Active Directory environment, a manual migration to a Windows Server is recommended, but consult a network administrator for help.
Here are some additional resources that might be helpful:
Synology Directory Server:
https://www.synology.com/en-global/dsm/f..._directory
QNAP Active Directory: (Information might be limited as QNAP may not actively support this functionality)
No matter which option you choose, ensure you have a good backup of your domain data before proceeding.