Vista - Offline folders issue.

In the server (SBS 2003 R2) I have a folder with several sub-folders and
hundreds of files, The entire
folder is set to be available offline as they are all the
sub-folders and files. The problem is that some of these files are not
available when I go offline.
What is weird is that in Windows Explorer all the files, including the ones
that are not available, are marked with the green round logo with the two
yellow arrows indicating that they supposedly are available.
To make things more complicated and much worse is that if I right click on a
file/ click properties/ General tab the file show the above
mentioned logo; clicking the "Offline folders" tab the "Always
available offline" option is checked so people would assume that everything
is fine but under "Details" tab the file is listed as "Offline
Availability: Not available" and this is true, the file is not available!
Note that booting with XP the same file, in the same location, same Domain
etc. is available offline therefore is something specifically related to
Vista.
Another thing I noted is that all the files "really" available under
"Details" have, in the "Attribute" line a "A", the one not available do not
have it.
Thanks in advance for your advice.
Stefano

To close out this thread, after some investigation we have identified the
reason why Offline Files is failing. After reviewing the trace logs that
the customer sent, our developer concluded that the server never grants an
oplock
for the file. The confirmed that oplocks were disabled on the server.
Offline Files in Windows Vista cannot operate when
oplocks are disabled. Here are the two keys Jeff changed to make this work.

He added this key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MRXSmb\Parameters\
OplocksDisabled REG_DWORD 0

And he changed the following key (was set to 0 on his server)
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
EnableOplocks REG_DWORD 1

These keys are described in more detail at
http://support.microsoft.com/kb/296264.


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"Stefano" <Fritzly@nospam.gmail.com> wrote in message
news:99E2E226-F90F-4DB4-9F4C-D6C6407932D4@microsoft.com...
> In the server (SBS 2003 R2) I have a folder with several sub-folders and
> hundreds of files, The entire
> folder is set to be available offline as they are all the
> sub-folders and files. The problem is that some of these files are not
> available when I go offline.
> What is weird is that in Windows Explorer all the files, including the
> ones
> that are not available, are marked with the green round logo with the two
> yellow arrows indicating that they supposedly are available.
> To make things more complicated and much worse is that if I right click on
> a
> file/ click properties/ General tab the file show the above
> mentioned logo; clicking the "Offline folders" tab the "Always
> available offline" option is checked so people would assume that
> everything
> is fine but under "Details" tab the file is listed as "Offline
> Availability: Not available" and this is true, the file is not available!
> Note that booting with XP the same file, in the same location, same Domain
> etc. is available offline therefore is something specifically related to
> Vista.
> Another thing I noted is that all the files "really" available under
> "Details" have, in the "Attribute" line a "A", the one not available do
> not
> have it.
> Thanks in advance for your advice.
> Stefano