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+---
+uid: proxy-settings
+title: Proxy settings
+author: Daniel Otykier
+updated: 2024-11-07
+applies_to:
+  editions:
+    - edition: Desktop
+    - edition: Business
+    - edition: Enterprise
+---
+
+# Proxy settings
+
+Due to different proxy behavior between .NET Core (used by Tabular Editor 3) and .NET Framework (used by Tabular Editor 2 and DAX Studio), you may experience issues with connecting to external services, such as the Power BI service, when using Tabular Editor 3 behind a proxy server.
+
+For example, you might see the following error message when trying to connect to the Power BI service:
+
+![No such host is known-error](~/images/proxy-error.png)
+
+**Title:** Could not connect to server<br/>
+**Message:** No such host is known. (login.microsoftonline.com:443)
+
+When this happens, the first thing you should try is to change the proxy settings in Tabular Editor 3. You can find these settings under **Tools > Preferences > Proxy Settings**:
+
+![Proxy settings in Tabular Editor 3](~/images/proxy-settings.png)
+
+In most cases, changing the **Proxy Type** from `None` to `System` will resolve the issue. This setting tells Tabular Editor 3 to use the system-wide proxy settings configured in Windows. If you are still experiencing issues, you can try setting the **Proxy Type** to `Custom` and enter the proxy server address and port manually.
+
+> [!IMPORTANT]
+> After changing the proxy settings, you mustrestart Tabular Editor 3 for the changes to take effect.
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 ## Power BI XMLA Endpoint
 ### @powerbi-xmla
 ### @powerbi-xmla-pbix-workaround
+## @proxy-settings
 
 # Documentation
 ## User interface