If your network uses a proxy server for internet communication, you may receive one or more of the following errors:
- System.Net.WebException: The request failed with an empty response.
- Communication Error The remote server returned an error: (401) Unauthorized.
- System.Net.WebException: The request failed with HTTP status 417: Expectation Failed.
Sync & Save must be able to communicate with the URLs listed in the System Requirements.
By default Sync & Save attempts to detect the proxy server settings configured in Windows (Internet Options | Connections | LAN settings). If you have configured the proxy settings in Windows but continue to receive these errors, then please follow these steps to manually set the Sync & Save proxy settings:
- Open Tools > Options > System > Proxy
- Based on the error you are receiving, use the following settings:
System.Net.WebException: The request failed with an empty response.
Set both the IP Address and Port values to the correct values for your proxy server. The Port must be set to a non zero value.
Communication Error The remote server returned an error: (401) Unauthorized.
Set the IP Address, Port, User Name and Password values to the correct values for your proxy server.
System.Net.WebException: The request failed with HTTP status 417: Expectation Failed.
Check the Expect 100 Continue option. This allows the use of older proxy servers that only support HTTP 1.0. - Click OK and test communication. If you continue to receive errors, please turn on Debug Mode, attempt the test again and then send the logs to support.