Associate UTAG with VM on Secondary NSX Managers.

Here is the API call you can use on the Primary NSX Manager to assign tags to VMs (which could also be running on the secondary):

POST /api/2.0/services/securitytags/tag/{tag-id}/vm?action=attach

The request body will depend on the Unique ID selection criteria. If you are using instance UUID use:

<securityTagAssignment>

  <tagParameter>

    <key>instance_uuid</key>

    <value>a702c039-fb86-4c5f-b8f4-1c2d80299c97</value>

  </tagParameter>

</securityTagAssignment>

You can determine the appropriate security tag-id using:

GET /api/2.0/services/securitytags/tag