Share desktop and documents folders among multiple Windows accounts?

You can redirect folders to the same location using GPO. This includes the desktop and documents. Just make sure all users have permissions.

That's the technical answer. From a technical viewpoint, this can be done. Is it a good idea? No. Not really. This can be handled by giving each user their own documents and desktop like normal, but making a network share that is automatically mapped to each user on login - again, via GPO.

Yes, this is an aged post, but the info I am sharing is still relevant and valid.

As info, I am doing this across multiple machines that I happen to make use of myself, so that I have a consistent experience and file availability regardless of which box I am on. I do this through the use of DropBox (the client being installed on each machine & logged into my DropBox account) by creating a desktop folder on DropBox and then redirecting each user's desktop on each machine to point at the desktop folder on DropBox's local cache. The same thing could be done with the Documents folder as well, I believe, but haven't gone there as I too LOVE to save everything to my desktop... ;)

Drop box is reasonably secure with data-at-rest (stored encrypted on Amazon's S3 servers, iirc) and data-in-motion (encrypted on the fly), so I think that any concerns regarding security may be mitigated for most reasonable implementations.

Additionally there is the added benefit of DropBox's file historization/versioning.

It might be worth looking into.?.