Full vs Shallow Image Replication: Which Should You Pick for Your AVD Images?

Every image version you publish to an Azure Compute Gallery is either fully replicated or shallow. Full copies the image into every target region so hosts can be built from it at scale; Shallow skips the copy so the version is ready in about a minute and costs no extra storage. Here is what each mode actually does, the trade-offs, and which one to choose for test builds and production host pools.