SMB 3.02 (2014): Introduced in Windows 8.1 and Windows Server 2012 R2 and included performance updates and the ability to disable CIFS/SMB 1.0 support, including the removal of related binaries. 10. SMB 3.1.1 (2015): Released with Windows 10 and Windows Server 2016 and added support for advanced encryption, preauthentication integrity to prevent man-in-the-middle attacks and cluster … This differs from earlier operating systems, in which SMB traffic requires the NetBIOS over TCP (NBT) protocol (Port 139)to work on a TCP/IP transport. ³ Port 5722 is only used on a Windows Server 2008 domain controller or on a Windows Server 2008 R2 domain controller. SMB continues to be the de facto standard network file sharing protocol in use today. Before you troubleshoot SMB issues, we recommend that you first collect a network trace on both the client and server sides. An SMB port is a network port commonly used for file sharing.

All of the machines here are Windows XP or later. It is not used on a Windows Server 2012 domain controller. I have to submit a form and get approval to open firewall ports, and I don't want to ask for more open ports than I need. IBM programmer Barry Feigenbaum developed the Server Message Blocks (SMB) protocol in the 1980s for IBM DOS. SMB 3.0.2 (known as 3.02 at the time) was introduced with Windows 8.1 and Windows Server 2012 R2; in those and later releases, the earlier SMB version 1 can be optionally disabled to increase security. SMB sharing not accessible when TCP port 445 listening in Windows Server Learn how Microsoft uses ads to create a more customized online experience tailored for you.

Windows Server 2003 was the last supported version of Windows to only use SMB version 1, now that it’s no longer supported Microsoft are planning on shipping Windows with SMB 1 disabled by default. For example, if you use Windows Server 2016 to reach an SMB share that is hosted on Windows 10, Windows Server 2016 is the SMB Client and Windows 10 the SMB Server. The following guidelines apply: Windows supports file and printer sharing traffic by using the Server Message Block (SMB) protocol directly hosted on TCP (Port 445). SMB 3.1.1 was introduced with Windows 10 and Windows Server 2016. Collect data. Note: when I say "Windows networked drives", I'm not entirely sure whether I'm referring to SMB or CIFS, and I'm not entirely clear on the difference between the two protocols. ² This is the range in Windows Server 2012, Windows 8, Windows Server 2008 R2, Windows 7, Windows Server 2008, and Windows Vista. It’s currently enabled by default for compatibility reasons, however when we’re in a world where SMB 1 does not need to be supported it will not be used. Distributed Link Tracking Server Provides a solution for Access Server Message Block (SMB) sharing failure on a Windows client.

SMB 3.1.1.