SSRS Data Source disabled in SharePoint 2013

This SharePoint tutorial explains, how to solve error a data source associated with the report has been disabled sharepoint 2013.

After installing SP1 patching SharePoint 2013 SSRS reports are stop working. When I try to render SSRS report in SharePoint I got the below error.

After installing SP1 SharePoint also made some changes in SSRS service. Which made all the data sources disabled.

A data source associated with the report has been disabled

Please follow the below steps to enable the Data Source in SSRS.

• Ensure that “Report Server Integration” feature is activated as part of site collection features.

• Navigate to Data source library and open associated data source
• Ensure that you selected the right “Data Source Type”
• Validate the connection string and credentials
• Check the “Enable this data source” checkbox to fix this issue

• As soon I change the checkbox checked SSRS reported started rendering

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This tutorial helps to solve error A data source associated with the report has been disabled.