"Invalid EntityID" error while updating SRM Appliance License using UpdateAssignedLicense() API

Products

• VMware vCenter Server

Issue/Introduction

Encountering the "Invalid EntityID" error when attempting to update the SRM Appliance license in vCenter Server using the UpdateAssignedLicense() API. 

Environment

VMware vCenter Server 7.x
VMware vCenter Server 8.x

Resolution

This is a known issue where SRM Appliance licenses may not update correctly using standard EntityId fetched from the vCenter Server.

To resolve this, follow the steps below to update the SRM Appliance license using EntityId followed by LDU ID.

1. Retrieve the LDU ID from vCenter Server:
   
   SSH into the vCenter Server and run the following command to obtain the LDU ID: /usr/lib/vmware-vmafd/bin/vmafd-cli get-ldu --server-name localhost
   
   
2. Obtain the Entity ID
   
   Use the QueryAssignedLicense() API to extract the current EntityId associated with SRM.
   
   
3. Construct the Composite ID
   
   Combine the Entity ID and LDU ID using a hyphen (-) separator in the format: "ENTITY_ID-LDU_ID" (e.g., XXXXXXXXXXXXXXX-XXXXXXXXXXXXXXX)
   
   
4. Apply the License
   
   Use the composite ID from Step 3 in the updateAssignedLicense() API to update the SRM Appliance License.