CentOS

Hello,
I have a vm Centos 6.10 and connected it to a windows AD domain.
I created a shared folder and configured samba.
However, accessing from any server belonging to the domain rightly asks me for access credentials but does not accept them in any way ....
What could it depend on?
If I run wbinfo -u or wbinfo -g it correctly reports the domain information.
Thanks for the support

CentoS 6 is EOL. You need to migrate to a supported version.

Most likely you are hitting the deprecation of SMB1.

I do not think it is a problem of SMB1 because before entering the domain server the folder was public and I could access without problems .... Unfortunately at the moment I cannot migrate to the next version.
The problem is that I am not accepting domain users credentials. Maybe I have misconfigured something in smb.conf