<?xml version="1.0" ?> <nlog> <extensions> <!-- Load assembly from the specified file the path is relative to the config file directory so you need to use bin/filename.dll for web applications --> <add assemblyFile="NLog.Extensions.dll" /> <!-- load assembly using the specified name --> <add assembly="NLog.Extensions" /> <!-- Load assembly from the specified file and prefix all targets and layout renderers with 'zzz' This can be used to avoid name clashes on extension dlls. --> <add prefix="zzz" assemblyFile="NLog.Extensions.dll" /> </extensions> </nlog>