Security Issues with SMB affect MS Office files being slow from Network locations

On our windows 7 machines our users our having slowness issue opening Office files from a network location
This slowness only affect domain users. Domain admins have no slowness issues.
Make changes to trusted documents ro trusted location. Trust network location has no affect.
If I disable SMB them domain users can open Office files from network location with no slowness.
Any ideas?

Hi Navar,
There has been a lot of discussions about the performance impact of SMB.
When SMB is enabled, communications to and from Windows clients will experience a significant impact on performance, which affects both the clients and the server. This is kind of by design.
More reference:
http://technet.microsoft.com/en-us/library/jj852239(v=ws.10).aspx
So if you have identified that SMB is causing the performance issues, you can disable SMB on any of your Windows clients that do not require protection.
Regards,
Ethan Hua
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

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