2012R2

However, accessing the same folder using a Windows 2003 R2 or Windows XP machine does not work

А так-же принтеры самсунг.

Чо делать?

sc query srv 
sc query srv2
sc config srv start=demand

Set-SmbServerConfiguration -EnableSMB1Protocol $true
get-SMBserverconfiguration
Set-SmbServerConfiguration –RejectUnencryptedAccess $false

Windows cannot find «\\servername\test». Check the spelling and try again, or try bt blah blah blah.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\DependOnService
Original Value: SamSS Srv2
Change to: SamSS Srv

reboot the server!