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Unable to register Parallels Desktop with error 'check your Internet connection'

APPLIES TO:
  • Parallels Desktop for Mac Business Edition
  • Parallels Desktop for Mac Standard Edition
  • Parallels Desktop for Mac Pro Edition

Symptoms

There is no possibility to register a copy of Parallels Desktop, a message say to check your Internet connection. Even though the Internet is working fine, registration is still not working.

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Cause

Mac operating system may have a faulty registration domain listed in your local hosts file which prevents Parallels Desktop to register.

Port 443 is blocked by network security settings/firewall or on the company's server due to security restrictions.

Resolution

In order to resolve the issue follow the steps below:

  1. If you have proxy turned on in your Mac - please turn it off at:

    For proxy settings:

    1) Please contact you system administrator for assistance.

    2) Disable proxy in System Preferences - Network - Active connection - Advanced... - Proxy

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    And restart your Mac.

  2. Open Applications -> Utilities -> Terminal and paste the command below as is and hit Return:

    cat /etc/hosts
    
  3. Examine the output for similar entries:

    127.0.0.1       pdfm.blist.parallels.com
    127.0.0.1       pdfm.vl.parallels.com
    127.0.0.1       registration.parallels.com
    127.0.0.1       update.parallels.com
    
  4. In case such entries are present in your hosts file, remove them. To do it:

    In Terminal execute another command (copy and paste it into Terminal as is.):

    sudo perl -pi -w -e 's/(?:[A-Za-z0-9-]+.?)*parallels\.com/#/g;' /etc/hosts
    

    NOTE: You will need to enter your Mac password to run the command. No symbols will be shown due to security measures, so just hit the keys and use Return/Enter.

  5. Close Terminal window and try registering Parallels Desktop again.

To check status of 443 port, do the following:

  1. Open Applications -> Utilities -> Terminal and paste the command below as is and hit Return:

    telnet registration.parallels.com 443
    
  2. If the port is not blocked, the output should look similar to:

      Connected to registration.parallels.com.cdn.cloudflare.net.
    
  3. If the output differs, there are to options available:

    a. Reconfigure network settings/contact IT administrator.

    b. Use different type of connection (e.g. a mobile device as a hot spot).



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