Scenario
You notice that the Exclaimer Client-Side signatures are not downloading in an environment with a proxy server configured and requires user authentication.
You see this error message, logging against Event ID 29004:
ERROR: Address: user@domain.com Status: Error, Downloaded 0 Signatures. Error: An error occurred while sending the request.
Reason
You receive this error message when the Exclaimer software cannot connect to the Exclaimer due to a proxy authentication error. This is visible within the Event Viewer.
Resolution
Follow these steps to resolve this issue:
You need Administrator rights on the machine to which you will make changes.
WARNING! We strongly advise you to back up this file before making changes, as incorrect changes can lead to the application not working.
- Navigate to C:\Windows\Microsoft.Net\Framework\v4.0.30319\Config\
- As an Administrator, edit the file: machine.config
- Add the following to the [configuration] section
<system.net>
<defaultProxy useDefaultCredentials="true" >
</defaultProxy>
</system.net>
-
Save the file.