You notice that the Exclaimer Cloud 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:
You receive this error message when the Exclaimer software cannot connect to the Exclaimer Cloud due to a proxy authentication error. This is visible within the Event Viewer.
Follow these steps to resolve this issue:
- 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
<defaultProxy useDefaultCredentials="true" >
Save the file.
Error: [The feature you are trying to use is on a network resource that is unavailable]
Error: [Signature download for 'email@example.com' has failed on attempt 1. Retrying after 00:10:00. An error occurred while sending the request]
Exclaimer Cloud Outlook Add-in: [Failed to read the 'localStorage' property from 'Window']
Error: [forbidden errors] when accessing the Exclaimer Cloud portal