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have you got a firewall ?<br />
<br />
see <br />
<br />
<a href="http://social.technet.microsoft.com/wiki/contents/articles/6666.remote-web-access-deployment-guide.aspx" rel="ugc nofollow">http://social.technet.microsoft.com/wiki/contents/articles/6666.remote-web-access-deployment-guide.aspx</a><br />
<br />
your isp could be blocking port 80 try 443
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have you got a firewall ?

see

http://social.technet.microsoft.com/wiki/contents/articles/6666.remote-web-access-deployment-guide.aspx [http://social.technet.microsoft.com/wiki/contents/articles/6666.remote-web-access-deployment-guide.aspx]

your isp could be blocking port 80 try 443

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IanTh's comment didn't exactly answer the question, but led me to the solution I posted
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IanTh's comment didn't exactly answer the question, but led me to the solution I posted

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Just started using Remote Web Access &amp;&nbsp;Outlook Web Access in SBS 2011 &amp;&nbsp;Exchange. &nbsp;OWA works great (after disabling Sharepoint)<br />
<br />
My problem is when viewing RWA in a browser, it shows the Networked Shared Folders, and I can click the small triangles on the left of the folders in the list to show their subtrees, but when I click on any actual folder I get this message. &quot;An unexpected error occurred. Please try again. If the problem continues, contact the person who managers your server&quot;, then boots me back to the shared directory list. &nbsp;I'm logged in as Admin and also tried accessing the site on the actual server.<br />
<br />
So far I've tried adding NETWORK SERVICE to the permissions of the shared folders, and restarting IIS, and then trying removing the RWA Role, then readding it. I get the same error in all browsers.
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Just started using Remote Web Access & Outlook Web Access in SBS 2011 & Exchange.  OWA works great (after disabling Sharepoint)

My problem is when viewing RWA in a browser, it shows the Networked Shared Folders, and I can click the small triangles on the left of the folders in the list to show their subtrees, but when I click on any actual folder I get this message. "An unexpected error occurred. Please try again. If the problem continues, contact the person who managers your server", then boots me back to the shared directory list.  I'm logged in as Admin and also tried accessing the site on the actual server.

So far I've tried adding NETWORK SERVICE to the permissions of the shared folders, and restarting IIS, and then trying removing the RWA Role, then readding it. I get the same error in all browsers.

Remote Web Access - Can't access shared folders on network

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.

Microsoft IIS Web Server

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.