Search exporter error: "You don't have enough rights to export emails." (4258526)

Archive Manager Search Exporter may display "You don't have enough rights to export emails.".

The following lines are logged in Search Exporter.exe.log file:

2010-12-01 11:24:14,343 [5] DEBUG AfterMail.Log.MailExporter.Exporter - CheckCanExport failure System.Net.WebException:
The remote server returned an error: (407) Proxy Authentication Required.
at System.Net.HttpWebRequest.GetRequestStream()
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at AfterMail.WebServiceWrapper.WebService.AfterMailService.CheckCanExport()
at ExporterUtil.Exporter.Run()
2010-12-01 11:24:14,515 [5] ERROR AfterMail.Log.MailExporter.Exporter - [3410880371-1241409107-0-0x0] Exception has been caught

Proxy server set in Internet Explorer settings is preventing user to be authenticated on AM website.

Make sure proxy server in Internet Explorer is not using proxy or has Archive Manager website in exceptions list.

See also: Solution SOL62506 'Search Exporter fails with the following errors: "Exception: You don't have enough rights to export emails", "User is not authenticated"'