I received this error after launching Rhino 5. I installed it to use a zoo server. It has happened to 2 machines out of 60. Not sure what to do, any help would be appreciated.



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Hi Clancy,

Here is some information on how Rhino 5 finds a Zoo 5 server:


Given this information, how are your Rhino's finding the Zoo?


 -- Dale

Thanks Dale!

Problem solved.

Hi Clancy,

What was the problem, and what was the solution?


 -- Dale

Hi Dale,

I have the same error message, but I read the link you posted, I couldn't find License Manager under SOFTWARE\Wow6432Node\McNeel\Rhinoceros\5.0, So I added a new key named License manager, but the value with the ip address which installed zoo license program, but still doesn't work. Any idea?

Hi Jerry,


You can find the instruction here:



And you have to delete the registry key you've added.




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