Howto install Openfire on NethServer

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Hi @mrmarkuz, how are you?
Sorry for reviving this topic but I found it better than creating a new one.
In the company where I work we are with version 7.4.1708 and we want to migrate to version 7.5. I created a VM to test first and I’m having problems when installing Openfire. Even following the installation steps, it gives the following error:

Would you know or anyone how to resolve this problem?

Active Directory local accounts provider for test.local
Samba DC version
4.7.8
DNS domain name
ad.test.local
NetBIOS domain name
TEST
Domain Controller IP address
192.168.1.6

I noticed that on the old server Samba DC is in version 4.7.7