This is the kind of error which will frustrate you sometimes.
There are multiple reasons for this error and i am listing out some of the causes for this error and workarounds.
Please check these given steps to come over the issue.
1. Check wether your service account password changed in recent past and not upgraded properly in SP.
2. Check all the service account have the required admin permissions in the system.
3. Check the Application pool of the web application is up and the App Pool account is reflected the correct password.
4. Check all the sharepoint services are running in Services.msc
i. SharePoint 2010 Administration
ii. SharePoint 2010 Timer
5. Check weather the World Wide Web Publishing service is running.
Thank you !!!
Other than Password expiry and Application Pool in Stopped status, There are few more reasons for Service Unavailable: HTTP Error 503. The service is unavailable in SharePoint
ReplyDeleteFound this checklist to resolve this error in SharePointDiary.com - Service Unavailable: HTTP Error 503. The service is unavailable in SharePoint