Windows Server SBS 2011 disconnects user

Hi Experts,

I am running Windows Server 2011 SBS as a DC and a file server. Since last couple of days, we are experiencing an issue where the users are kicked off from the shared folders automatically. It seems that the user session is being dropped or users are being disconnected from the file server. This is happening with most of the users. Please Help.

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I would start monitoring the file server's network reliability.  Use ping tools such as ColaSoft Ping Tool to monitor to see if there is  ping drop when all the users are experiencing issues with the file server.  It sounds like a network issue if all users experience the shares being dropped at the same time.

Also, how many network cards on the file server?  Are they teamed?  Have you updated the NIC drivers to the latest?  Etc.

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NishantAuthor Commented:
NIC drivers are up to date and no latency within the internal network. Its just happening on 2 out of 20 computers. One of them is running Windows 8.1 and other one on Windows 10.
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