Customer Relationship Management 6.7.2 > Install Guide > Upgrade > Upgrading QAD CRM 6.5.1 to QAD CRM 6.6.1 > Copying QAD Backend Programs on the Application Server
  
Copying QAD Backend Programs on the Application Server
Use the same steps in the sectionCopying QAD Backend Programs on the Application Server with the following notes:
QADCRMInstallDir refers to the newly installed CRM6.6.1 folders on your Windows Deployment server.
Since you already have an existing CRM 6.5.1 system that is integrated with QAD EA, make sure that you create a new folder under QADERPInstallDir/qadcrm/<New CRM6.6.1 env name> to reflect the new CRM6.6.1 program files that need to be stored in the backend Application Server; for example, QADERPInstallDir/qadcrm/qad661test.
Compiling QAD CRM Backend Programs on the Application Server
Use the same steps in the sectionCompiling QAD CRM Backend Programs on the Application Server with the following notes:
QADCRMInstallDir refers to the newly installed CRM6.6.1 folders on your Windows Deployment server.
If you have a 64-bit Progress AppServer, you must also perform the steps under Compiling QAD CRM Backend Programs on the Application Server.