Merge pull request #308718 from KendalBond007/FHIRACRUpdate_24Nov25

Fhiracr update 24 nov25

Author: prmerger-automator[bot]

articles/healthcare-apis/fhir/convert-data-configuration.md

@@ -172,6 +172,11 @@ You can register up to 20 ACR servers in the FHIR service.
 > [!NOTE]
 > It might take a few minutes for the registration to take effect.
 
+> [!IMPORTANT]
+> When registering an Azure Container Registry (ACR) image in the FHIR service:
+>  - If a _digest is specified_ only the image with the exact digest will be used.
+>  - If a _digest is *not* specified_ the image can be resolved using both tagging and digest.
+
 ### Step 6: Configure the Azure Container Registry firewall for secure access
 
 There are many methods for securing ACR using the built-in firewall depending on your particular use case.