To install the psTrustedHosts module run the following command in PowerShell:

Install-Module psTrustedHosts -Force

psTrustedHosts is a PowerShell module that makes it easy to add, clear, get, and remove trusted hosts.

• Add-TrustedHost

  Adds one or more hosts. Specifically, it takes a an array of host names and converts it to a comma separated string and appends it to the value in WSMan:\localhost\Client\TrustedHosts.

  This command ensures that no duplicate host names are added.

• Clear-TrustedHost

  Clears all trusted hosts. Specifically, it sets WSMan:\localhost\Client\TrustedHosts to an empty string.

• Get-TrustedHost

  Returns a list of trusted hosts by splitting the value of WSMan:\localhost\Client\TrustedHosts on commas.

• Remove-TrustedHost

  Removes one or more trusted hosts. Specifically, it takes an array of host names and removes any occurrences of those host names from the value in WSMan:\localhost\Client\TrustedHosts.

Both, Get-TrustedHost and Remove-TrustedHost, now support tab completion and IntelliSense (ctrl + space):