Because path of Nuke in Deadline 4.1 incorrect (Defualt path of nuke in Deadline 4.1 is 6.0 not 6.1)
look at location \DeadlineRepository\plugins\Nuke
Step 1. open Nuke.dlinit by note pad or edit plus
General Plugin Settings
About=Nuke Plugin for Deadline
ConcurrentTasks=True
Nuke Specific Plugin Settings
RenderExecutable4=C:\Program Files\D2Software\Nuke4.5.14\nuke4.5.exe;C:\Program Files (x86)\D2Software\Nuke4.5.14\nuke4.5.exe;/usr/local/Nuke4.5/Nuke4.5;/Applications/Nuke4.5/Nuke5.4.app/Contents/MacOS/Nuke4.5
RenderExecutable5=C:\Program Files\Nuke5.0v1\nuke5.0.exe;C:\Program Files (x86)\Nuke5.0v1\nuke5.0.exe;/usr/local/Nuke5.1v2-32/Nuke5.1;/Applications/Nuke5.1v2/Nuke5.1v2.app/Contents/MacOS/Nuke5.1v2
RenderExecutable6=C:\Program Files\Nuke6.0v1\nuke6.0.exe;C:\Program Files (x86)\Nuke6.0v1\nuke6.0.exe;/usr/local/Nuke6.0v1/Nuke6.0;/Applications/Nuke6.0v1/Nuke6.0v1.app/Contents/MacOS/Nuke6.0v1
InteractiveSlaves=
now your nuke path work on Nuke6.0, change path of red text to your nuke version exp.
RenderExecutable6=C:\Program Files\Nuke6.1v1\nuke6.1.exe;C:\Program Files (x86)\Nuke6.1v1\nuke6.1.exe;/usr/local/Nuke6.1v1-32/Nuke6.1;/Applications/Nuke6.1v1/Nuke6.1v1.app/Contents/MacOS/Nuke6.1v1
save and close
Step 2. open Nuke.param by note pad or edit plus
[RenderExecutable4]
Type=multilinemultifilename
Category=Render Executables
CategoryIndex=0
Label=Nuke 4 Render Executable
Default=C:\Program Files\D2Software\Nuke4.5.14\nuke4.5.exe;C:\Program Files (x86)\D2Software\Nuke4.5.14\nuke4.5.exe;/usr/local/Nuke4.5/Nuke4.5;/Applications/Nuke4.5/Nuke5.4.app/Contents/MacOS/Nuke4.5
Description=The path to the Nuke 4 executable file used for rendering. Enter alternative paths on separate lines.
[RenderExecutable5]
Type=multilinemultifilename
Category=Render Executables
CategoryIndex=1
Label=Nuke 5 Render Executable
Default=C:\Program Files\Nuke5.0v1\nuke5.0.exe;C:\Program Files (x86)\Nuke5.0v1\nuke5.0.exe;/usr/local/Nuke5.1v2-32/Nuke5.1;/Applications/Nuke5.1v2/Nuke5.1v2.app/Contents/MacOS/Nuke5.1v2
Description=The path to the Nuke 5 executable file used for rendering. Enter alternative paths on separate lines.
[RenderExecutable6]
Type=multilinemultifilename
Category=Render Executables
CategoryIndex=2
Label=Nuke 6 Render Executable
Default=C:\Program Files\Nuke6.0v1\nuke6.0.exe;C:\Program Files (x86)\Nuke6.0v1\nuke6.0.exe;/usr/local/Nuke6.0v1/Nuke6.0;/Applications/Nuke6.0v1/Nuke6.0v1.app/Contents/MacOS/Nuke6.0v1
Description=The path to the Nuke 6 executable file used for rendering. Enter alternative paths on separate lines.
[InteractiveSlaves]
Type=slavelist
Category=Licensing Options
CategoryIndex=0
Label=Slaves To Use Interactive License
Default=
Description=A list of slaves that should use an interactive Nuke license instead of a render license. Use a , to separate multiple slave names, for example: slave001,slave002,slave003
now your nuke path work on Nuke6.0, change path of red text to your nuke version exp.
C:\Program Files\Nuke6.1v1\nuke6.1.exe;C:\Program Files (x86)\Nuke6.1v1\nuke6.1.exe;/usr/local/Nuke6.1v1-32/Nuke6.1;/Applications/Nuke6.1v1/Nuke6.1v1.app/Contents/MacOS/Nuke6.1v1
save and close
luach deadline monitor > tool(super user mode) > Configure Plugins will show like this
This example I fixed it on Deadline 3.1 SP1 and many new version software working but some software not working
hope you enjoy it