SSRS 2008 R2 AND sHAREPOINT 2010 connection issue

I am connecting to SHarepoint list from Report builder3.0 to build report. I am able to connect to the site in development region and build the report. But when I am trying to connect to the Sharepoint site in Staging test region, I am getting error Remote server returned an error : 407 proxy authentication required. Please see the error message details in the attachment.
SSRS-ReportbuilderIssue.png
SSRS-ReportbuilderIssue1.png

asrithapAsked: 2015-07-08

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LVL 30

Randy DownsOWNERCommented: 2015-07-16

Maybe this will help:

how to access SharePoint online site using PowerShell, the blog below would be helpful:

http://social.technet.microsoft.com/wiki/contents/articles/29518.csom-sharepoint-powershell-reference-and-example-codes.aspx

Another two demos for your reference:

http://www.hartsteve.com/2013/06/sharepoint-online-powershell/

http://www.sharepointnutsandbolts.com/2013/12/Using-CSOM-in-PowerShell-scripts-with-Office365.html

LVL 3

Preston CooperDatabase AdministratorCommented: 2015-07-16

The problem you are having could be caused by the authentication double hop, or it could be caused by your network proxy.

Resources:

http://jsarfraz.blogspot.com/2010/01/proxy-authehtication-issues-with-sql.html.

http://sqlmag.com/sql-server-reporting-services/understanding-sql-server-reporting-services-authentication

https://technet.microsoft.com/en-US/library/Bb283324(v=SQL.105).aspx

http://blogs.technet.com/b/rob/archive/2011/11/23/enabling-kerberos-authentication-for-reporting-services.aspx

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