Configuration of the Portal Drive 
Use
On user PCs, you can assign KM folders to network drive letters. Users can then open, edit, and save documents located in KM folders in Windows. In addition, the portal drive provides functions for offline editing and synchronization. Communication with the server is done using the WebDAV protocol.
Prerequisites
You have installed the Windows client on the client PCs. For more information, see Installation.
Features
The following functions can be used for the configuration:
Shared Used of Documents and Folders
The portal drive complies with version 1.3 of the specification RFC3744 for the WebDAV Access Control Protocol.
Versioning
The portal drive supports the version enhancements for WebDAV according to specification RFC3253.
For more information about the feature in the portal drive, see Getting Started – Using SAP Software ® Working with Tools and Functions ® Working with Folders and Documents ® Portal Drive.
Configuring User Interfaces
By default, the Map Portal Drive command is not visible in any iView. In order for users to be able to use this command, you must add the mount_PortalDrive user interface command to the corresponding command group in the KM UI configuration (see Commands and Command Groups).