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TFTP transfer issues - Cannot start SolarWinds TFTP server

Updated August 31, 2017

Overview

This article describes a possible cause and solution to the following TFTP error messages:

SolarWinds.NCM.Transfer.IndirectTFTPTransfer - NCMTransfer Cannot start SolarWinds TFTP Server: System.ArgumentNullException: Value cannot be null.
SolarWinds.Cirrus.BusinessLayer.TransferExtensions - Unable to convert '${GlobalConfigTransferProtocol}' to CommandProtocol

Environment

  • NCM versions 7.x

Cause 

SolarWinds TFTP server may not have installed correctly.

Resolution

  1. Stop all Orion services.
  2. In a command prompt window, execute this command (with quotation marks):
    "C:\Program Files (x86)\SolarWinds\Orion\NCM\regasm.exe" "C:\Program Files (x86)\SolarWinds\TFTP Server\TFTPServerEx.dll" /codebase /tlb
    Note that C:\Program Files (x86)\ is the default installation directory.
  3. Start the Orion services.

 

If the error still occurs after doing the above, try the following:

  1. Go to Control Panel > Programs > Programs and Features
  2. Uninstall SolarWinds TFTP Server
  3. Remove all remaining files in the TFTP installation folder. The default installation folder is C:\Program Files (x86)\SolarWinds\TFTP Server
  4. Reinstall SolarWinds TFTP Server

 

 

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