Duncan.

I think your problem might be related to the "Read Only" attribute.
Disclaimer: I haven't used SyncToy yet so this is only a SWAG.

When SyncToy goes to back up your file to the NAS it attempts to delete the existing file and then rewrite it. Since the original is "Read Only" the copies on the NAS might also be marked Read Only. If that's the case, then when you go to resync it will fail since the existing copy on the NAS will not be deleted.

Also, as a test to see if the "Read Only" attribute might be the cause of the problem, manually reset the file attribute on the NAS and then try to resync.
If successful then the "Read Only" attribute is the cause.

Check if SyncToy has an option to allow rewrites of "Read Only" files or an option to not carry over the original file attributes when syncing to the NAS.


- Mike Resnick


At 01:58 PM 5/7/2010, DSinc wrote:
<...snip ...>
Lately, I am seeing errors using Sync-Toy when backing up my office machine to my NAS. The file do not seem to transfer.
It seems to stumble on PDF files.
I usually get:
Error: Cannot write to the destination file. Access is denied. (Exception from HRESULT:0x80070005 (E_ACESSDENIED))

Yes, I can suppose that these may be some glitch on my NAS, but this only happens via use of SyncToy v2.1
or,
Could this be somehow related to these files being coded "Read-Only?"

<... snip ...>

tnx,
Duncan

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