Refer to the exhibit.

An administrator Is trying to configure a medium load balancer in a production environment, but is getting the error message shown In the exhibit.

Which step must the administrator perform to remediate the problem?

A. Reduce the size of the virtual pool.

B. Restart the NSX Manager.

C. Power-off the existing load balancer and change its size.

D. Place the Tier-1 Gateway in a large edge cluster and redeploy the load balancer.