When you have trouble reading OPeNDAP data, consider these factors.
OPeNDAP data is being pulled over the network from a server on the Internet. Pulling large data could be slow. Speed and reliability depends on their network connection
OPeNDAP capability does not support proxy servers or any authentication
Failure to open an OPeNDAP link could have multiple causes:
Local machine firewall/network firewall does not allow any external connections.
Local machine firewall/network firewall does not allow external connections on the OPeNDAP protocol.
Remote server is down.
Remote server will not serve the amount of data being requested. In this case, you can read data in subsets or chunks.
Remote server is incorrectly configured.