When you set the static IP address to the appliance server, the Linux Backup server cannot get the network DNS suffix properly after restarting the network service. This issue leads to communication problems between the Linux backup server and the UDP console. You then cannot use this Linux backup server to protect the Linux node due to the communication problems.
Symptom
The status of the Linux Backup server remains in a disconnected state on the UDP console. The Update Node cannot update the Linux Backup Server successfully and the yellow warning icon will not change to green. This occurs when you set the static IP address to the appliance server which will then cause the Linux Backup server to not get the network DNS suffix properly.
Solution
To resolve this issue, you can update the file/etc/resolv.cfg directly in the Linux machine to add the correct DNS suffix.
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