When you click on Reporting tab you will get the following error message:
"DPM could not connect to SQL Server Reporting Services Server because of IIS connectivity issues"
- Open IIS Manager.
- Expand Default Web Site, and then select the virtual directory for the report server
- Under Features View, double-click Handler Mappings
- Under Actions, click Edit Handler Permissions
- Click to select the Scripts check box
- Click OK.
- Restart IIS