It's because of the Cache implementaion in Windows SMB2.
This issue will get solve if we disable the Caching using registry.
Reduce the Cache time in the following registry to zero or some small value.
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkStation\Parameters]
FileNotFoundCacheLifetime
For more details refer the below link
http://technet.microsoft.com/en-us/library/ff686200(v=ws.10).aspx[
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