Azure filesync Server Registration Issue

 

Azure FileSync Server registration - Unable to discover

 

Registering a server with Azure File Sync establishes a trust relationship between Windows Server and Azure. This relationship can then be used to create server endpoints on the server, which represent specific folders that should be synced with an Azure file share

Register a server with Storage Sync Service

Before a server can be used as a server endpoint in an Azure File Sync sync group, it must be registered with a Storage Sync Service. 

As part of Azure file sync registration setup, when we run Azure FileSync server registration in Non internet facing workloads, you may struck at the following window (Azure Resources Manager (ARM) discover URL)

 

These discover URLS are region specific , more details find the link below
                 https://learn.microsoft.com/en-US/azure/storage/file-sync/file-sync-firewall-and-proxy

 
However, if you provided region specific URL's on Non-Internet facing servers, it prompt below error

 

Observations:-

Azure File Sync server registration services are unable to communicate to backed Azure URLs, due to this server being unable to reach Azure Resource Manager Discovery URLs

If the VM is not allowed to access internet, we need to ensure that all the required URL and ports are open in Firewall

URL’s need to be whitelisted in the Firewall

*.afs.azure.net  : 443
*.one.microsoft.com : 443
*.core.windows.net : 443
*.go.microsoft.com : 443
*.aadcdn.msftauth.net : 334 

 

 

For more information, refer below documentation :-

Azure File Sync on-premises firewall and proxy settings | Microsoft Learn

Manage registered servers with Azure File Sync | Microsoft Learn


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