Hi There,
I am configuring a UTM to be used at a remote site on the end of an ADSL line. I have a testing ADSL line here at HQ so am trying to get everything working before shipping the hardware to the remote site.
I have configured a site-to-site VPN and everything seems to be working correctly, however, the UTM itself is unable to join my AD domain or do LDAP connections. I have permitted all relevant ports in the firewall rules between the internal LAN subnet and the HQ AD servers plus have all the relevant DNS routing configured.
If I try testing with 'Support --> Tools --> DNS Lookup' for my domain name it resolves the various DCs correctly.
I'm out of ideas so if anyone can think of anything else I could try I'd really appreciate it.
Many thanks,
Chris
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