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Maybe <a href="https://social.msdn.microsoft.com/Forums/en-US/55d02f56-54d8-4548-8104-0a534ea5dcb8/powershell-error-for-sharepoint-online-the-remote-server-returned-an-error-407-proxy?forum=appsforsharepoint" rel="ugc nofollow">this</a> will help:<br />
<br />

<blockquote>
how to access SharePoint online site using PowerShell, the blog below would be helpful:<br />
<br />
<a href="http://social.technet.microsoft.com/wiki/contents/articles/29518.csom-sharepoint-powershell-reference-and-example-codes.aspx" rel="ugc nofollow">http://social.technet.microsoft.com/wiki/contents/articles/29518.csom-sharepoint-powershell-reference-and-example-codes.aspx</a><br />
<br />
Another two demos for your reference:<br />
<br />
<a href="http://www.hartsteve.com/2013/06/sharepoint-online-powershell/" rel="ugc">http://www.hartsteve.com/2013/06/sharepoint-online-powershell/</a><br />
<br />
<a href="http://www.sharepointnutsandbolts.com/2013/12/Using-CSOM-in-PowerShell-scripts-with-Office365.html" rel="ugc">http://www.sharepointnutsandbolts.com/2013/12/Using-CSOM-in-PowerShell-scripts-with-Office365.html</a>&nbsp; 
</blockquote>
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Maybe this [https://social.msdn.microsoft.com/Forums/en-US/55d02f56-54d8-4548-8104-0a534ea5dcb8/powershell-error-for-sharepoint-online-the-remote-server-returned-an-error-407-proxy?forum=appsforsharepoint] 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 [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.hartsteve.com/2013/06/sharepoint-online-powershell/]
> 
> http://www.sharepointnutsandbolts.com/2013/12/Using-CSOM-in-PowerShell-scripts-with-Office365.html [http://www.sharepointnutsandbolts.com/2013/12/Using-CSOM-in-PowerShell-scripts-with-Office365.html] 

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I am connecting to SHarepoint list from Report builder3.0 &nbsp;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 &nbsp;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.<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/07_w28/922480/SSRS-ReportbuilderIssue.png" target="_blank" class="file-inline" title="SSRS-ReportbuilderIssue.png (34 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>SSRS-ReportbuilderIssue.png</a><br />
<a href="https://filedb.experts-exchange.com/incoming/2015/07_w28/922487/SSRS-ReportbuilderIssue1.png" target="_blank" class="file-inline" title="SSRS-ReportbuilderIssue1.png (83 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>SSRS-ReportbuilderIssue1.png</a>
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SSRS-ReportbuilderIssue1.png

SSRS-ReportbuilderIssue.png

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 2008 R2 AND sHAREPOINT 2010 connection issue

SQL Server Reporting Services (SSRS) is a server-based report generation software system from Microsoft. It can prepare and deliver a variety of interactive and printed reports and is administered via a web interface or its web service. Its web services interface also supports the development of custom reporting applications. Finally, SSRS can also be integrated with SharePoint. SSRS competes with other business intelligence tools, most prominently Crystal Reports.

SSRS

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

Microsoft SharePoint

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Content management (CM) is a set of processes and technologies that supports the collection, managing, and publishing of information in any form or medium. When stored and accessed via computers, this information may be more specifically referred to as digital content, or simply as content. Digital content may take the form of text (such as electronic documents), multimedia files (such as audio or video files), or any other file type that follows a content lifecycle requiring management.

Content Management

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.