Marvelous Designer Support

This error message occurs when there is a failure between server connections.

In case you are receiving this message while using the Marvelous Designer 8, then please first check if

your network connection is stable or you have input wrong password or not.

If you input the right login credential, you would be able to activate the license successfully with the

onlineauth method.

If you keep facing this issue however, please refer to the (manual page) for offline authentication method

activation.

For all the other versions with the same issue, please follow the instructions below for its solution.

Also, please make our server address whitelist on your antivirus program.

• With “Firewall Option” enabled

1. Open HTTPS port 443 which is the blocked server.
2. When you login, please check on the box saying “If using a Firewall, mark this checkbox”.
3. Make the Marvelous Designer’s server whitelisted. If you are residing in China, please use the second address.
   1. IP: 52.1.24.50 (api.clo3d.com )
   2. IP: 52.20.29.14 (api.clo3d-china.com)
4. Please activate the license.

• With “Firewall Option” disabled

1. Open HTTPS port 443 which is the blocked server.
2. Make the Marvelous Designer’s server whitelisted. If you are residing in China, please use the second address.
   1. IP: 52.1.24.50 (api.clo3d.com )
   2. IP: 52.20.29.14 (api.clo3d-china.com)
3. Please activate the license.

[How to open port 443 and whitelist Marvelous Designer’s server IP address.]

1. Open the control panel and go to 'Windows Defender Firewall' sections.

2 Go to 'Advanced settings' and click 'Inbound Rules'.

3. On 'Action' menu, click 'New Rule'.

4. Select 'Port' and click 'Next'.

5. Select 'TCP' and input '443' on the 'Specific local ports' section.

6. Select 'Allow the connection' and click 'Next'.

7. Check on all 3 check boxes and click 'Next'.

8. Input the rule name and click 'Finish'.

9. Open the 'Port 443's 'Properties'.

10. Go to the 'Scope' and select 'These IP addresses' on the 'Remote IP address' window, and click 'Add'.

11. Input the following info on the 'This IP address or subnet' and click 'OK'.

In case you are still experiencing this issue after the guideline above, please refer to the instructions below. 

Step 1. Open c:\Windows\System32\drivers\etc\host file as a text file
Step 2. Add # at the front for the lines that includes api.clo3d.com or sapi.clo3d.com

After add # for the lines in the front, please try to login again.