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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > The Configuration Wizard hangs while validating the NetPerfMon service

The Configuration Wizard hangs while validating the NetPerfMon service

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Issue:

The Configuration Wizard hangs while validating the NetPerfMon service with the following error:

[6] ERROR InfoServiceProxy - An error occured opening a connection to the orion communication service.
System.ServiceModel.EndpointNotFoundException: No DNS entries exist for hostComputerName. --->
System.Net.Sockets.SocketException: No such host is known at System.Net.Dns.GetAddrInfo(String name) 

Resolution:

If you are installing an Orion product on a server that uses NetBIOS for hostname resolution, confirm that your full computer name is no longer than 15 characters in length. Microsoft trims any characters beyond the fifteenth in a NetBIOS-resolved hostname, and this may prevent Orion services from properly identifiying your Orion server.

This article applies to all SolarWinds products on the Orion Platform.
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