Intermittent or continuous connectivity problems
Summary: Intermittent or continuous connectivity problems, inability to crawl, or inability to serve results.
Cause: Another device on the network has the same IP address as the search appliance.
Troubleshooting: Physically disconnect the search appliance from the network and try to ping the IP address of the search appliance. If you get a response, another device has the IP address of the search appliance.
Fix: Disconnect the other device, or assign an unused IP address to the other device or to the search appliance.