Before using Upgrade Center, ensure that all network ports required are open. The ports are listed and described as follows:
| Source | Target | Port required by the target | Port description |
|---|---|---|---|
| AOC VM | Physical machines in the cluster to be upgraded | 80 | Upgrade Center fetch the version information of cluster hosts through this port. |
| 10000 | Upgrade Center installs Upgrade agent through this port. |
