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Updated January 11, 2017
When trying to view node details from an additional web server, you may receive one of the following errors:
Error message "Could not connect to net.tcp://server:0/orion/npm/businesslayer. The connection attempt lasted for a time span of 00:00:00. TCP error code 10049: The requested address is not valid in its context IPADDRESS:0."
Error 2 (Found in the SolarWinds Information Service V3 log):
ERROR SolarWinds.InformationService.Contract2.InfoServiceProxy - (null) (null) An error occured opening a connection to the orion communication service.
System.ServiceModel.EndpointNotFoundException: No DNS entries exist for host HOSTNAME. ---> System.Net.Sockets.SocketException: No such host is known
The additional web server may show up in the Engines table on the database as a primary polling engine with a port of NULL.
The Additional Web Server (AWS) is unable to communicate with the main Orion server by Fully Qualified Domain Name (FQDN).
For Error 1:
Delete the Additional Web Server (AWS) entry from the Engines table on the Orion database.
For Error 2:
Ensure that the Additional Web Server (AWS) can contact the main Orion server using FQDN. If necessary, manually add a record for the Fully Qualified Domain Name (FQDN) of the main Orion server to the local hosts file on the AWS.