To keep the same UNC path after migrating a file share to a virtual machine (VM), use a Distributed File System (DFS) Namespace and a DNS record. Migrate the data to a new VM, set up a DFS Namespace that points to the new VM, and create a DNS record for the old server name to resolve to the new VM's IP address. This approach provides a layer of abstraction, allowing you to point users to a single, consistent UNC path while you update the underlying server infrastructure.
1. Prepare the New VM Environment
2. Migrate Data to the New VM
Use Storage Migration Service: This Microsoft tool can inventory your existing server's data and transfer it to the new VM, including permissions.
3. Implement DFS Namespace for Seamless Transition
4. Update DNS and Cutover
Reference:
https://learn.microsoft.com/en-us/azure/storage/files/storage-files-migration-overview