Hello Community,
we use a Sophos UTM cluster consisting of two nodes running on Sophos UTM 9.718-5
This Cluster routes the traffic through specific vlans.
We have strange behavior with windows server vms that are operated in vlans behind the sophos utm.
If we open "Printers & Scanners" on the servers via the windows icon and want to search for printers that are shared in our directory (Active Directory), nothing is found.
If we then use the function: "the printer that i want isn't listed" and use: "find a printer in the directory...." then all printers that are published in the directory via the print server will be displayed.
If we switch the exact same server that doesn't work into a VLAN that is not routed via the firewall cluster, the problem doesn't exist and the printers are found directly
The problem does not occur with Windows 10 clients that are operated in VLANs behind the firewall.
We have excluded the following things:
- ANY firewall rules to exclude firewall
- Firewall rules between server vm and printerserver
- Firewall rules between server vm and active directory servers
- GPO settings checked
- Sites and Services checked
- DHCP & DNS checked
Has anyone ever had problems like this?
Best regards
Benedict Poppe
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