Azure File Shares setup in Windows and Mac OS

Windows uses port 445 for file sharing across the network. From Windows 2000 onward, Microsoft changed SMB to use port 445. Microsoft directory services, often ...

Provides a solution to an issue where Server Message Block (SMB) sharing is not accessible when TCP port 445 is listening in Windows Server.

本文提供無法存取伺服器消息塊（SMB） 共用資源的問題解決方案，即使目標Windows Server 中已啟用共用資源也一定。 原始KB 編號： 4471134. 徵兆.

In modern and supported versions of Windows, File and Printer Sharing services use TCP port 445 for direct TCP/IP communications. When you need ...

Port 445 allows SMB to operate directly over TCP/IP, bypassing the older NetBIOS layer, which is less secure and more complex. This transition ...

If the server has NBT enabled, it listens on UDP ports 137, 138, and on TCP ports 139, 445. If it has NBT disabled, it listens on TCP port 445 only.

Yes, modern SMB (especially v2/v3) runs only on TCP port 445. However, Windows clients may also expect the server to be pingable, ie respond to ICMP Echo.

Port 445 is associated with the SMB protocol, and is used to share resources such as files and printers without the need for a network basic input/output system (NetBIOS) . But tread carefully — it's possible for port 445 to expose devices to intrude

Port 445 is used by newer versions of SMB (after Windows 2000) on top of a TCP stack, allowing SMB to communicate over the Internet. This also ...

Port 445: Later versions of SMB (after Windows 2000) began to use port 445 on top of a TCP stack. Using TCP allows SMB to work over the internet.