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Are you sure it's a 550 error? &nbsp;500 is more usual. &nbsp;Does it happen before a user logs in, or do they not even get the chance?
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Are you sure it's a 550 error?  500 is more usual.  Does it happen before a user logs in, or do they not even get the chance?

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remote web workplace works fine but OWA over RWWP wont work and gives err 550 , page cannot be displayed. &nbsp; I am not very versed in IIS but I have tried the following. <br />
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1. &nbsp;AD Users verified as able to logon from all computers. <br />
2. &nbsp;IIS exchange application pool is present <br />
3. &nbsp;deleted all C:\temp &nbsp;files<br />
4. &nbsp;restarted all the exchange services after stopping. <br />
5. &nbsp;check application event viewer. &nbsp;Get only error 1000 for sharepoint. &nbsp;No exchange errors or other appreciable. <br />
6. &nbsp;no recent upgrades or installs, etc. <br />
7. &nbsp;microsoft wanted a log from START RUN =logfiles &nbsp; I can post those here if needed. &nbsp;<br />
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What can i try and post a result for to get this working &nbsp;?
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remote web workplace works fine but OWA over RWWP wont work and gives err 550 , page cannot be displayed.   I am not very versed in IIS but I have tried the following. 

1.  AD Users verified as able to logon from all computers. 
2.  IIS exchange application pool is present 
3.  deleted all C:\temp  files
4.  restarted all the exchange services after stopping. 
5.  check application event viewer.  Get only error 1000 for sharepoint.  No exchange errors or other appreciable. 
6.  no recent upgrades or installs, etc. 
7.  microsoft wanted a log from START RUN =logfiles   I can post those here if needed.  

What can i try and post a result for to get this working  ?

OWA internal and external relays 550 error

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

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

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).