sharing files and printers. If an administrator attempts to open any of these ports by adding them to a local port exceptions list, Windows Firewall does not open the port. In the Windows Firewall component of Control Panel, the "File and Printer Sharing" check box is cleared and administrators cannot select it.

Internet firewalls can prevent browsing and file sharing Apr 17, 2018 File sharing over a network in Windows 10 - Windows Help Jun 13, 2019 Windows Server 2012 - Opening File Sharing Ports - Powered Jan 22, 2015

Port 445 is opened on a Windows Server when using the

File Sharing with Access Restriction (Windows 2000/XP/Vista/7/Server 2003/Server 2008) If you want to specify a shared folder with access restriction as the destination, specify the items listed in the table below. Setting example. Setting Item. Description. Example. The Protocol drop-down list.

Do you need Microsoft File sharing like \\servername\path to work and it just won’t? Try this from command prompt: telnet servername (port) Example: telnet servername 137. If a black screen appears then the port is open (this is for TCP)

Windows File Sharing: Facing the Mystery | Daniel Miessler Dec 05, 2018 Ports needed for accessing windows file share by dns name