Upgrading SQL server version to 2014 Enterprise Edition (2008 R2 compatibility mode)

Note: Follow the same steps for IRC 10.3.0

To upgrade SQL server from an earlier version to SQL server 2014 Enterprise Edition, you must:

Remove the following rendering extension entry or entries from the rsreportserver.config. For example, if you are using SQL server 2012, the rsreportserver.config will be located at the path SQL Install path \MSRS11.MSSQLSERVER\Reporting Services\ReportServer\rsreportserver.config
```
<Extension Name="CSVWithoutReportFormat" 
Type="Approva.ReportingServices.Rendering.CSVWithoutReportFormatRenderer,Approva.ReportingServices.CSVWithoutReportFormatRendering" 
Visible="false" />
```
Upgrade the SQL server.
Deploy Approva Rendering extensions. See Deploying the Approva Rendering Extension.
Set SQL server compatibility mode to 2008 R2.