Hello team,
We get the error "Unresolved FQDN" on our firewall for the below:
*.discoverysrv.windowsazure.com
*.download.microsoft.com
*.migration.windowsazure.com
*.vault.azure.net
Has anyone had similar and what should we do?
Other FQDN's are fine.
Regards,
Forti_tude
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The wildcard FQDN is updated when a DNS query is made from a host connected to FortiGate (DNS traffic passing through a FortiGate.). Which means none of the hosts in your network tried to access these sites and thats why it is showing as unresolved.
Ref: https://community.fortinet.com/t5/FortiGate/Technical-Tip-Using-wildcard-FQDN/ta-p/196118
I would suggest you try pinging one of those domains and check if the entries get updated.
We may try ping 04b8c9c73f3d477e966c8d00f352889c-agent.cus.disc.privatelink.prod.migration.windowsazure.com and check if the FQDN for "*.migration.windowsazure.com" is updated (if it is able to resolve the domain).
Ref: https://learn.microsoft.com/en-us/azure/migrate/troubleshoot-network-connectivity
The wildcard FQDN is updated when a DNS query is made from a host connected to FortiGate (DNS traffic passing through a FortiGate.). Which means none of the hosts in your network tried to access these sites and thats why it is showing as unresolved.
Ref: https://community.fortinet.com/t5/FortiGate/Technical-Tip-Using-wildcard-FQDN/ta-p/196118
I would suggest you try pinging one of those domains and check if the entries get updated.
We may try ping 04b8c9c73f3d477e966c8d00f352889c-agent.cus.disc.privatelink.prod.migration.windowsazure.com and check if the FQDN for "*.migration.windowsazure.com" is updated (if it is able to resolve the domain).
Ref: https://learn.microsoft.com/en-us/azure/migrate/troubleshoot-network-connectivity
Thank you for your help with this :)
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