The balance appliance would be configured to use 4 GB of RAM. With this amount of memory, you can add a maximum of 3 proxies to Balance. Increase the memory to twice this value or higher to add more proxies.Also, make sure that the Appliance's resources are reserved, and is able to consume the full reservation.
If this post resolved your issue, help others by selecting ACCEPT AS SOLUTION or adding a KUDO. Cannot find the answer you need? No need to open a support case - just CHAT and we’ll handle it for you.