Please follow below steps in AdminServer to get correct Host version details in UI.
2. Login to mongoDB on the SA.
#mongo admin -u deploy_admin -p <deploy_admin password>
3. Run below commands by replacing the <SA Node ID> noted in Step 1.
>use sa
>db.appliance_update.find({"_id" : "<SA Node ID>"})
>db.appliance_update.remove({"_id" : "<SA Node ID>"})
>exit
4. Refresh the Hosts tab on the NetWitness Platform UI, then re-check the Current version.