Owa 2007 Http Error 503. The Service Is Unavailable
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How To Fix Http Error 503. The Service Is Unavailable
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Http Error 503 The Service Is Unavailable Application Pool Stopped
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503 Service Unavailableno Server Is Available To Handle This Request
Developers Sale Sale Find a store Gift cards Products Software & services Windows Office Free downloads & security Internet https://support.microsoft.com/en-us/kb/823159 Explorer Microsoft Edge Skype OneNote OneDrive Microsoft Health MSN Bing Microsoft Groove Microsoft Movies & TV Devices & Xbox All Microsoft devices Microsoft Surface All Windows PCs & tablets PC accessories Xbox & games Microsoft Lumia All https://support.microsoft.com/en-us/kb/2619402 Windows phones Microsoft HoloLens For business Cloud Platform Microsoft Azure Microsoft Dynamics Windows for business Office for business Skype for business Surface for business Enterprise solutions Small business solutions Find a solutions provider Volume Licensing For developers & IT pros Develop Windows apps Microsoft Azure MSDN TechNet Visual Studio For students & educators Office for students OneNote in classroom Shop PCs & tablets perfect for students Microsoft in Education Support Sign in Cart Cart Javascript is disabled Please enable javascript and refresh the page Cookies are disabled Please enable cookies and refresh the page CV: {{ getCv() }} English (United States) Terms of use Privacy & cookies Trademarks © 2016 Microsoft
Unavailable" after new software installation Posted: 8:02 pmMay 24, 2008 Exchange 29 Comments So Howard emails me yesterday about http://www.vladville.com/2008/05/exchange-2007-owa-2007-and-service-unavailable-after-new-software-installation.html a problem he's been trying to figure out. His Outlook Web Access 2007 on the Exchange 2007 installation suddenly stopped working. Nothing changed 🙂 There are many reasons why Outlook Web Access 2007 will give you the "Service Unavailable" error message, mostly because the mail/public databases are not running, something you will be able to quickly determine from error 503 the Event Viewer. However, this one was slightly different. This event viewer generated the following error message, with event code 2268: Event ID: 2268 Raw Event ID : 2268Record Nr. : 3746Source: W3SVC-WP Category: None Type : ErrorMachine : ACISERVER2Description: Could not load all ISAPI filters for site/service. Therefore startup aborted. Event ID: 2274 Raw Event ID : the service is 2274 Record Nr. : 3745 Source: W3SVC-WP Category: None Type : ErrorMachine : ACISERVER2Description: ISAPI Filter ‘C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_filter.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a AMD64 processor architecture. The data field contains the error number. To learn more about this issue, including how to troubleshooting this kind of processor architecture mismatch error, see http://go.microsoft.com/fwlink/?LinkId=29349. Confirm it, restart IIS and you will see the following error: Basically, you (or the software you were installing) switched your IIS site where OWA is installed into either a 32bit mode or ASP.NET 1.1. Since Exchange 2007 Outlook Web Access 2007 only runs on ASP.NET 2.0 in 64bit mode, you need to fix it back. First, disable the 32bit mode for your web site. By default OWA goes into the Default Web Site context (0) so the following will take care of that: cscript C:\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 0 Second, register ASP.NET 2.0 as the default framework for that web site: C:\Windows\Microsoft.NET\Framework64\v2.0.50727>aspnet_regiis.exe -iStart installing ASP.NET (2.0.50727).…