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Home > Success Center > Network Performance Monitor (NPM) > There was no endpoint listening at net.tcp://servername:17777/orion/core/businesslayer that could accept the message

There was no endpoint listening at net.tcp://servername:17777/orion/core/businesslayer that could accept the message

Updated January 18, 2017

Overview

Error message when trying to view nodes details pages:

 

Message: There was no endpoint listening at net.tcp://servername:17777/orion/core/businesslayer that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
ErrorSite: SolarWinds.Orion.Core.Common.CoreBusinessLayerProxy.CreateWCFChannel
ErrorType: System.ServiceModel.EndpointNotFoundException

 

BusinessLayerHost.log error:

ERROR SolarWinds.BusinessLayerHost.PluginInstanceAppDomain - Plugin "Core Business Layer" failed to start. System.IO.FileNotFoundException: Could not load file or assembly 'SolarWinds.NCM.Contracts, Version=7.4.0.1368, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

File name: 'SolarWinds.NCM.Contracts, Version=7.4.0.1368, Culture=neutral, PublicKeyToken=null'

WRN: Assembly binding logging is turned OFF.

Note: There is some performance penalty associated with the assembly bind failure logging.

To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

 

Core.BusinessLayer.log error:

ERROR SolarWinds.Orion.Common.SWEventLogging - (null) Unhanded Exception caught in Core Services Engine Startup. Could not load file or assembly 'SolarWinds.NCM.Contracts, Version=7.4.0.1368, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

FATAL SolarWinds.Orion.Core.BusinessLayer.CoreBusinessLayerPlugin  - (null) Unhanded Exception caught in startup.

System.IO.FileNotFoundException: Could not load file or assembly 'SolarWinds.NCM.Contracts, Version=7.4.0.1368, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

File name: 'SolarWinds.NCM.Contracts, Version=7.4.0.1368, Culture=neutral, PublicKeyToken=null'

WRN: Assembly binding logging is turned OFF.

Note: There is some performance penalty associated with the assembly bind failure logging.

To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

Environment

NPM 12.0 and later

Cause 

This occurs when NPM or NCM integration folders remaining at \Program Files (x86)\SolarWinds\Orion after uninstalling and the Business Layer Host plugin tries to use NCM dlls.

Resolution

  1. Open Orion Service Manager.
  2. Shut down everything.
  3. Go to \Program Files (x86)\SolarWinds\Orion
  4. Delete the NCM folder.
  5. Run the SolarWinds configuration wizard.
  6. Select Services and click Next.

 

 

 

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Internal Use Only