SMB: Short file name creation should be disabled

If the Best Practive Analyzer is showing this error, you can disable the 8dot3 Names by running the following commands

Enter-PSSession <<ServerName>>
fsutil behavior set disable8dot3 1

The number one stands for one of the following options:
0 – Enable 8dot3 name creation on all volumes on the system
1 – Disable 8dot3 name creation on all volumes on the system
2 – Set 8dot3 name creation on a per volume basis
3 – Disable 8dot3 name creation on all volumes except the system volume

https://technet.microsoft.com/en-us/library/ff633453(WS.10).aspx