Issue:
Sometimes we get error in SharePoint 2010 or SharePoint 2013 like "Service Unavailable - HTTP Error 503. The service is unavailable" when we try to access a SharePoint site.
Cause of the issue:
IIS - Application Pool of specific Web Application is Disabled/Stopped.
Resolution Steps:
Important Note: If SharePoint Farm is multi tier farm, then, below steps need to be verified in all web servers.
1. Login to SharePoint Server as administrator.
2. Open Internet Information Services (IIS) Manager.
3. Navigate to Application Pools option under server name as shown in below screenshot. And verify that Application Pool for specific web application is in "Started" status. In screenshot, we can see that status of specific Application Pool is stopped.
4. Right click on this Application Pool and click "Start".
5. Open the site in browser and it should work as expected.
If you have any questions you can reach out our SharePoint Consulting team here.
Sometimes we get error in SharePoint 2010 or SharePoint 2013 like "Service Unavailable - HTTP Error 503. The service is unavailable" when we try to access a SharePoint site.
IIS - Application Pool of specific Web Application is Disabled/Stopped.
Resolution Steps:
Important Note: If SharePoint Farm is multi tier farm, then, below steps need to be verified in all web servers.
1. Login to SharePoint Server as administrator.
2. Open Internet Information Services (IIS) Manager.
3. Navigate to Application Pools option under server name as shown in below screenshot. And verify that Application Pool for specific web application is in "Started" status. In screenshot, we can see that status of specific Application Pool is stopped.
4. Right click on this Application Pool and click "Start".
5. Open the site in browser and it should work as expected.
If you have any questions you can reach out our SharePoint Consulting team here.
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