If the cluster state is stopped, draining, or suspended, the following might have occurred: 1. The IP-HTTPS and network location ...

If the cluster state is stopped, draining, or suspended, the following might have occurred:
1. The IP-HTTPS and network location server certificates on the server do not match the certificates on the other cluster servers.
2. One or more DirectAccess settings were not configured successfully on this server.
3. NLB has been stopped manually on this server.
If the cluster state is converging, and has been for some time, either the external adapter on one of the cluster servers is disabled, or cluster settings do not match on all cluster servers.