Also, for clarification, I have separately downloaded and installed the Adobe Camera Raw 9.10.1 installer and restarted my Lightroom CC 2015 app and it still lists version 9.0.
Furthermore, the "updates..." option in the Lightroom Help menu is grayed out and not selectable and the Creative Cloud Apps interface lists my copy of Lightroom as up to date and current (even though it is not).
You are still running the initial release of Lightroom CC 2015. The current release is Lightroom CC 2015.10.1. It might be necessary for you to update your Creative Cloud application manager. In meantime, you can download the latest update from the following website:
You will find the update under the heading, "Adobe Photoshop Lightroom 6". The update that you find there will update both Lightroom 6 and Lightroom CC. You will only need the topmost update, which is the most recent.
You cannot update Lightroom with the camera raw plug-in. The camera raw plug-in has no effect on Lightroom. That technology is part of the Lightroom program. The camera raw plug-in is for Photoshop and Photoshop Elements only.
Thanks JimHess. Unfortunately, when I downloaded, unzipped, and ran the "AdobePatchInstaller.exe" file for Lightroom 6.10.1/2015.10.1 from the link you provided, I received the following error:
Updates could not be applied
Please contact your Administrator if you wish to apply updates on your machine. Updates have been suppressed by the Administrator.
If the problems persist, contact customer support for further assistance."
Generally, I've found the enterprise licensing and updating for the Adobe CC to be an utter disaster. I thought the whole purpose of delivering cloud software was to make it easier and more streamlined to keep software up to date. It seems like every time I need to do something as simple as update Adobe Camera Raw to recognize the proprietary Raw files from a new camera model, I ultimately go through a whole series of back and forth support with my institutional IT staff and they eventually need to rebuild new installer packages and reinstall every single Adobe CC app. Sadly, I'm pretty frustrated with my Adobe CC experience.
I really wish I knew how to solve your problem, but I don't. The only thing I can do for you at this point is provide a link where you can initiate a live chat with Adobe. Perhaps someone there will be able to either walk you through the steps or do a remote link with your computer and get things straightened out. I hope this will help.
Thanks JimHess. Unfortunately, it seems that Adobe does not provide human support (outside of this forum) for Enterprise licensed products.
It seems I'm circularly referred back to my system administrator. So I've shared this community forum thread link with my institutional IT support to see if it may be helpful for them as well. Thanks again for trying!