OMV SMB Troubleshooting help

  • Good evening,


    i installed OMV 4 today. Version 4.1.22-1 (Arrakis). The problem is i cant reach the SMB share from some clients/servers in a specific domain. My 2nd OMV 3.0.85 is working.
    Lets call the domains: domain1 und domain2. The OMV NAS arent in any domain.


    OMV (Version 4): no domain. Domainname: local SMB: WORKGROUP
    OMV (Version 3): no domain. Domainname: local SMB: WORKGROUP


    Clients in domain1 or no domain can reach the SMB shares and authenticate on both OMVs.
    Clients in domain2 can reach the SMB share and authenticate on OMV SMB (Version3).
    Clients in domain2 cant reach the SMB share and cant authenticate on OMV SMB (Version4). Login with the account in WebGUI works fine. (The logint promt shows up but username/password is always wrong.. it isnt..)


    I have no idea where to start with troubleshooting.


    Thanks a lot.


    //EDIT:
    I tested Windows 10, Server 2016 and Server 2008R2. Restarted the SMB service.

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