Fix SOLIDWORKS “Failed Connection with 3DEXPERIENCE Server” Error – 3 Easy Solutions

Users of 3DEXPERIENCE SOLIDWORKS may experience connection problems when launching the app. This is often shown as error messages indicating a failure to connect to the 3DEXPERIENCE platform.

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To resolve this issue, kindly follow the steps below.

Method 1: Clear 3DEXPERIENCE Temp Files

1. In the user’s computer, close 3DEXPERIENCE SOLIDWORKS.

2. At the Windows task tray, right-click 3DEXPERIENCE PLM Services and ‘Exit 3DEXPERIENCE’.

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3. In Windows File Explorer, type ‘%temp%’ in the address bar and hit ‘Enter’.

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4. Locate and open the ‘swcefcache’ folder, then delete everything in this folder.

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5. Browse to C:\Users\UserName\AppData\Local\DassaultSystemes\CATTemp and delete everything in this folder.

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Note: If you couldn’t find the folder, most likely the folder is hidden. In the Windows File Explorer, click ‘View’ > ‘Show’ > ‘Hidden items’.

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6. Open the 3DEXPERIENCE platform and launch the 3DEXPERIENCE SOLIDWORKS Connected app from the Compass.

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Method 2: Reinstall 3DEXPERIENCE SOLIDWORKS

1. Follow the guide here to uninstall 3DEXPERIENCE SOLIDWORKS.

2. Follow the guide here to install 3DEXPERIENCE SOLIDWORKS.

Method 3: Check Internet Browser Settings

This method is to ensure that:

  • 3DEXPERIENCE domains are added to Internet Explorer’s trusted sites.
  • Clear the internet browser history cache.
  • Adjust internet security levels.
  • Reset internet advanced settings.

Note: Liaise with your IT team when attempting this method.

1. In the user’s computer, search for Windows Control Panel.

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2. All Control Panel Items window will open.

a. Click on ‘Internet Options’.

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3. Internet Properties window will open.

a. Click on ‘Security’ tab.

b. Choose ‘Trusted sites’.

c. Click on ‘Sites’.

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4. ‘Trusted sites’ window will open.

a. In ‘Add this website to the zone:’, type ‘https://www.3ds.com’.

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b. Click ‘Add’

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c. Do steps 4a and 4b for ‘https://www.3dexperience.3ds.com’.

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5. Close ‘Trusted sites’ window, and go to ‘General’ tab.

a. Click ‘Settings’

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6. Website Data Settings window will open.

a. Click ‘View files’.

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7. Windows File Explorer will open.

a. Delete everything in the ‘INetCache’ folder.

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8. Close the Windows File Explorer and Website Data Settings window.

9. In the Internet Properties window, go to ’Security’ tab.

a. Click ‘Default level’.

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10. Go to ‘Advanced’ tab.

a. Click ‘Restore advanced settings’.

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If you still encounter fixing SOLIDWORKS 3DEXPERIENCE Server Connection Error, you may contact [email protected] for assistance. 

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