1. 

   WillG2 Bit poster

   Messages:

   1

   Just trying to install Parallels on Mountain Lion, but it won't activate, saying "Unable to request a trial key. Please check your network connection and try again."
   
   Any suggestions on getting this to work?

    

   WillG2, Dec 9, 2017

   #1
2. 

   PaulChristopher@Parallels Product Expert Staff Member

   Messages:

   3,112

   Hi @WillG2, this error might have occurred due to Mac operating system may have a faulty registration domain listed in your local hosts file which prevents Parallels Desktop to register. To fix the issue, please follow the steps as suggested in this article.

    

   PaulChristopher@Parallels, Dec 9, 2017

   #2

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