![]() The Group Policy setting for the WMI firewall exception is found in GPMC.MSC at: Computer Configuration > Windows Settings > Security Settings > Windows Firewall with Advanced Security > Windows Firewall with Advanced Security > Inbound Rules. If the clients are part of a domain, then all clients can be configured using Group Policy. Add the configurations to the master Windows image deployed to all clients. ![]() There are several options for organizations to configure the WMI firewall exception for computers: To discover VAMT-manageable Windows computers in workgroups, you must enable network discovery on each client. Limiting the range of dynamically allocated ports is useful if, for example, the hardware firewall only allows traffic in a certain range of ports.įor more info, see How to configure RPC dynamic port allocation to work with firewalls.Ĭreate a registry value for the VAMT to access workgroup-joined computer ![]() The following Microsoft knowledge article discusses how administrators can limit the range of dynamically allocated ports. By default, the WMI port is a dynamically allocated random port above 1024. Administrators must ensure that WMI (which relies on RPC over TCP/IP) is allowed through these types of firewalls. In certain scenarios, only a limited set of TCP/IP ports are allowed through a hardware firewall. On the Advanced tab, verify selection of all profiles that are applicable to the network (Domain or Private/Public). On the Scope tab, change the Remote IP Address setting from "Local Subnet" (default) to allow the specific access you need. On the General tab, select the Allow the connection checkbox. Right-click the desired rule and select Properties to open the Properties dialog box. In the Windows Firewall with Advanced Security dialog box, select Inbound Rules from the left-hand panel. Windows Management Instrumentation (WMI-In) Windows Management Instrumentation (DCOM-In) Windows Management Instrumentation (ASync-In) Make your changes for each of the following three WMI items, for the applicable Network Profile (Domain, Public, Private): Select Windows Firewall with Advanced Security. Open the Control Panel and double-click Administrative Tools. Configure Windows Firewall to allow VAMT access across multiple subnetsĮnable the VAMT to access client computers across multiple subnets using the Windows Firewall with Advanced Security Control Panel: To expand the exception to apply to multiple subnets, you need to change the exception settings in the Windows Firewall with Advanced Security, as described below. By default, Windows Firewall Exceptions only apply to traffic originating on the local subnet.
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