This error message indicates that the Remote Differential Compression (RDC) components from Microsoft are not enabled on the machine in question. These are the components used for processing delta copies within SureSync. If the RDC components are not installed on a machine involved in the synchronization, SureSync will log this error and revert to copying entire files.
Windows 2008 / Windows Vista and Newer
Starting with Windows Vista, RDC is enabled by default.
For server operating systems, you can confirm RDC is enabled by launching Server Manager, clicking on Features and then checking under Features Summary for Remote Differential Compression. If RDC is not installed, click “Add Features,” check “Remote Differential Compression,” and follow the rest of the “Add Feature Wizard” prompts to install the necessary components.
For workstation operating systems, you can confirm RDC is enabled by launching Control Panel, then going to Programs and Features, clicking on “Turn Windows features on or off” and then checking for “Remote Differential Compression.” If not installed, simply check the box and click the “OK” button to install the necessary components.
Windows 2003/ Windows 2003 R2
For these operating systems the RDC components must be installed on each machine. Clicking on the links below will take you to the Microsoft download for the appropriate operating system.
Once the Remote Differential Compression (RDC) components are installed on all machines involved in the synchronization, you will not see this error. You need to restart the Software Pursuits Communications Agent for SureSync 7 service on each machine that RDC was installed on and also restart any Real-Time Monitors for the delta functionality to become fully available.