In the Windows environment, the PowerShell command "winrm set winrmconfigclient @{TrustedHosts}" is a powerful tool that allows users to configure trusted hosts for remote management. This command is particularly useful when managing multiple Windows machines remotely. By adding trusted hosts, users can establish secure connections and perform administrative tasks on remote systems.

The importance of this command lies in its ability to enhance security and streamline administrative tasks. By configuring trusted hosts, users can establish secure connections between machines, enabling them to manage remote systems efficiently. This is especially valuable in enterprise environments where administrators need to perform tasks on multiple machines simultaneously.

To use the "winrm set winrmconfigclient @{TrustedHosts}" command, follow these steps:

1. Open PowerShell: Launch PowerShell with administrative privileges. You can do this by right-clicking the PowerShell icon and selecting "Run as administrator."

2. Check the Current Trusted Hosts: Before adding new trusted hosts, it's essential to verify the current configuration. Run the following command to view the existing trusted hosts:

winrm get winrm/config/client

This command will display the current TrustedHosts configuration.

3. Add Trusted Hosts: To add trusted hosts, use the following command:

winrm set winrm/config/client '@{TrustedHosts="hostname1,hostname2"}'

Replace "hostname1" and "hostname2" with the actual hostnames or IP addresses of the machines you want to trust. Separate multiple hostnames or IP addresses with commas. For example:

winrm set winrm/config/client '@{TrustedHosts="192.168.1.100,192.168.1.101"}'

4. Verify the Changes: After adding the trusted hosts, run the following command to verify the changes:

winrm get winrm/config/client

This command will display the updated TrustedHosts configuration, including the newly added hosts.