Windows smb server port

You can use this method on different versions of Windows. Open the Group Policy Management Console. In the console tree under Computer Configuration , expand the Preferences folder, and then expand the Windows Settings folder. Right-click the Registry node, point to New , and select Registry Item. This procedure disables the SMBv1 Server components. This Group Policy must be applied to all necessary workstations, servers, and domain controllers in the domain.

WMI filters can also be set to exclude unsupported operating systems or selected exclusions, such as Windows XP.

This guidance updates and replaces the default values in the following two items in the registry:. Right-click the GPO that should contain the new preference item, and then click Edit. The default value includes MRxSMB10 in many versions of Windows, so by replacing them with this multi-value string, it is in effect removing MRxSMB10 as a dependency for LanmanWorkstation and going from four default values down to just these three values above.

Setting this option to a value of 2 disables NBT. For example, the following sample output shows both the direct hosted and the NBT transport bound to the adapter:.

NetbiosSmb is a global device, and isn't bound on a per-adapter basis. Skip to main content. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy.

This article provides a solution to an issue where you can't access a Server Message Block SMB shared resource even when the shared resource is enabled in the target Windows Server. When you run the netstat command to show the network connections, the results show that TCP port is listening. You should apply the information in this topic only to computers that have had the File Services Best Practices Analyzer run against them and are experiencing the issue addressed by this topic.

For more information about best practices and scans, see Best Practices Analyzer. The firewall ports necessary for file and printer sharing are not open ports and Computers will not be able to access shared folders and other Server Message Block SMB -based network services on this server. Membership in the Administrators group, or equivalent, is the minimum required to complete this procedure.