Scanning from Canon MF8380cdw to SMB Server 2012 share

Hey Experts,

We have a Canon MF8380cdw scanner/printer, and also an MF8550cdw scanner.printer. Great multifunction devices. The problem I'm reporting happens to both of them. We use these units to scan PDF's to our Windows Server 2003 file server, into our SCANS repository in a publicly available section of the file tree. It has worked fine up until our server upgrade.  We recently upgraded to a new server (2012), and it broke the scanning.

Now, when we scan from the printer and complete the job, causing it to 'send' to the destination, I can briefly see the scanned file show up in the target directory on the server. It's 0 Bytes long, has the proper filename, and then it completely disappears.

On the server I've checked the folder permissions and they are wide open.
I've tried scanning with both my userid and that of the Administrator with the same results.

On the target server, I've observed the Event Viewer (Security), and noted that whenever I attempt to scan and press the button to complete/send over the scan to the server, I get Audit Failures during Logon/Logoff. When I'm logged in either as Administrator or my own login, it says that it fails because the 'Guest' account isn't enabled. But when I enable the Guest account, it gives a different failure, 'An Error occurred during Logon." 0xC0000225"

I've enabled the 'guest' ID on the server temporarily, and have given it permissions to the SCANS folder in an attempt to appease the server. No go. Just another 'Error occurred during Logon".

On the scanner, I've tried using just the login ID, or the domain\login ID. No difference either way.

I remember reading something about how Server 2012 does things with SMB differently, but cannot find it. As I've narrowed this problem down to the way the system deals with the different logon accounts, I have a feeling it's all intertwined with the enhanced security Server 2012 provides by default. I just need to figure out where to turn it down a little so this previously working function will again work.

Any ideas or experience dealing with this sort of problem?  I'm very grateful for your suggestions, having spent a fair amount of time to get to this point of understanding!

Thanks,
Evan
Server-Error-Info.txt
PortableCIOAsked:
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WayneATaylorCommented:
Sounds like an SMB compatibility problem.

The link below should be able to show you how to fix it,

http://support.microsoft.com/kb/2896636
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PortableCIOAuthor Commented:
Hi Wayne,

Funny. I was continuing to research, and just ran across the exact same KB article and was coming back to update this post with the same link. I'm currently in the process of applying the update and will let you know how it works out. THANK YOU for taking the time to answer on a Saturday.

Evan
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PortableCIOAuthor Commented:
Well, Wayne gets the winning ticket. It indeed was that KB update, and the scanning function to Windows 2012 R2 is now completely functional.

Thanks Wayne.
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PortableCIOAuthor Commented:
Bullseye. Thanks Wayne.
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