This problem may appear inconsistent across clients depending on the configuration of the client computer. This is because the Explorer View feature relies on IE Web Folder Behaviors to provide it’s functionality. The IE Web Folders Behavior can leverage either of two possible protocols to produce the Explorer View experience:
- The Windows Web Client Service which uses the standard WebDAV protocol.
- The FPRPC protocol as provide by the Web Extender Client components.
Clients which do not have the Web Extender Client components installed will experience this problem, while clients that do have these components installed may be immune. The Web Extender Client components were originally shipped as part of the Office suite and within 32-bit versions of the Microsoft Windows operating systems. Starting with Windows Vista, these components were no longer provided with the operating system.
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