Http Error 503. The Service Is Unavailable. Owa
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Security Innovation Software Data Centers Networking Startups Tech & Work All Topics Sections: Photos Videos All Writers Newsletters http error 503. the service is unavailable windows server 2012 Forums Resource Library Tech Pro Free Trial Editions: US United States Australia United Kingdom Japan Membership Membership My Profile People Subscriptions My stuff Preferences Send a message Log Out https://support.microsoft.com/en-us/kb/823159 Software Troubleshoot '503 Service Unavailable' errors in OWA If your Exchange Server 2003 Outlook Web Access (OWA) clients receive a "503 Service Unavailable" error message, there are several possible causes. Here are a few ways to troubleshoot this error. By Derrick Brasslett | May 13, 2005, 7:58 AM PST RSS Comments Facebook Linkedin Twitter More Email Print Reddit http://www.techrepublic.com/article/troubleshoot-503-service-unavailable-errors-in-owa/ Delicious Digg Pinterest Stumbleupon Google Plus Delivered each Monday, TechRepublic's free E-mail Administration NetNote provides tips, articles, and other resources to help you manage your Exchange server and other e-mail systems. Automatically sign up today! If your Exchange Server 2003 Outlook Web Access (OWA) clients receive a "503 Service Unavailable" error message, this indicates that the Davex.dll file can't communicate with the requested mailbox or public folder store. There are a several possible causes for the 503 error in OWA, for example: 503 errors occur when the System Attendant or Information Store services aren't running—or they aren't running under the Local System account. 503 errors occur when the mailbox or public stores aren't mounted. If you can't start the services or mount the stores, then you'll need to troubleshoot these problems. However, once these issues are eliminated as a cause, you'll have some real digging to do. Here are some more 503 error causes to examine: 503 errors occur when the HKEY_CLASSES_ROOT registry hive has a key that exceeds 259 characters. 503 errors o
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings http://serverfault.com/questions/707796/exchange-2013-ecp-owa-outlook-all-failing-503-service-unavailable and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges http://itknowledgeexchange.techtarget.com/itanswers/owa-login-generates-http11-503-service-unavailable-error-message/ Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: error 503 Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Exchange 2013 ECP/OWA/Outlook all failing - 503 Service Unavailable up vote 0 down vote favorite My exchange server is really suffering at the moment. I do not know what has happened but when I connect via https (ECP/OWA) or via outlook (with the service is in the network) I get 503 errors on ECP/OWA and Disconnected/Trying to connect in Outlook. I assume it is the same issue for both. I think Exchange itself is OK, because I can use IMAP to send/receive emails. So I think it is something to do with the IIS configuration. I get the 503 error when I log in. I get the log in page, but after logging in (correct username/pwd) then I get a blank screen with the error in the console (chrome browser). The only thing I have done today was to try a new SSL certificate, but had issues with the internal domain and external domain. I have put the SSL certificate for IIS Default site back to "Microsoft Exchange" However, it was all working when I finished this. I tested two client machines to ensure it was working. The app pools all seem correct and are running under local admin. I have tried swapping the certificates back again, just in case, but no effect. I have tried every combination of google search possible which has lead me
? Ask a question, help others, and get answers from the community Discussions Start a thread and discuss today's topics with top experts Blogs Read the latest tech blogs written by experienced community members OWA login generates HTTP/1.1 503 Service Unavailable error message Exchange Ask the Experts 580 pts. Tags: Thanks! We'll email youwhen relevant content isadded and updated. Following Follow Microsoft Exchange 2003 Thanks! We'll email youwhen relevant content isadded and updated. Following Follow Outlook Web Access Thanks! We'll email youwhen relevant content isadded and updated. Following Follow OWA When trying to access Outlook Web Access (OWA) in an Exchange Server 2003 environment, I receive the following error message: HTTP/1.1 503 Service Unavailable Do you know what is causing this error message? Asked: February 11, 20086:30 PM Last updated: September 30, 201011:09 AM Related Questions Error 503 Service unavailable en OWA Exchange 2007 Outlook web access gives service unavailable error Sharepoint 2010 x64 central administration problem http error:503. The service is unavible Cannot start Microsoft outlook / Problem for all users on Exchange server OWA Service Unavailable Answer Wiki Last updated: January 11, 20106:04 PM GMT Dhanraj11430 pts. History Contributors Ordered by most recent Dhanraj11430 pts. Bdinerman345 pts. Thanks. We'll let you know when a new response is added. There are various causes for this error. It would be helpful to know if you are running this on WIndows Server 2003 Standard/Enterprise, or if you are using Small Business Server (SBS) 2003, and what service packs do you have installed for both Exchange and Windows. Also, are you able to access email using Outlook rather than OWA? If not, then you may likely have an issue with your Information Store and should check whether it is even mounted. Microsoft has published a Knowledge Base article that relates to this error message. The article describes problems with the application pool identity. Ple