How to add more than one machine to the trusted hosts list using winrm

Question

To run powershell commands on a machine from a remote machine we have to add the remote machine to the trusted hosts list of the host machine   I am adding machine A to machine B s trusted hosts using the following command    winrm set winrm config client      TrustedHosts  machineA        How to add more machines say machine C  machine D to trusted hosts list of machine B

User · Answer

I created a module to make dealing with trusted hosts slightly easier, psTrustedHosts. You can find the repo here on GitHub. It provides four functions that make working with trusted hosts easy: Add-TrustedHost, Clear-TrustedHost, Get-TrustedHost, and Remove-TrustedHost. You can install the module from PowerShell Gallery with the following command:

Install-Module psTrustedHosts -Force

In your example, if you wanted to append hosts 'machineC' and 'machineD' you would simply use the following command:

Add-TrustedHost 'machineC','machineD'

To be clear, this adds hosts 'machineC' and 'machineD' to any hosts that already exist, it does not overwrite existing hosts.

The Add-TrustedHost command supports pipeline processing as well (so does the Remove-TrustedHost command) so you could also do the following:

'machineC','machineD' | Add-TrustedHost

User · Answer

Same as  Altered-Ego but with txt file  Get-Content  quot C  ServerList txt quot  machineA machineB machineC machineD    ServerList   Get-Content  quot C  ServerList txt quot       currentTrustHost  get-item WSMan  localhost Client TrustedHosts  value     if     currentTrustHost  Length -gt  quot 0 quot               currentTrustHost     ServerList         set-item WSMan  localhost Client TrustedHosts    value  currentTrustHost -Force -ErrorAction SilentlyContinue               else            currentTrustHost    ServerList         set-item WSMan  localhost Client TrustedHosts    value  currentTrustHost -Force -ErrorAction SilentlyContinue        The  quot -ErrorAction SilentlyContinue quot  is required in old PS version to avoid fake error message  PS C  Windows system32 gt  get-item WSMan  localhost Client TrustedHosts      WSManConfig  Microsoft WSMan Management WSMan  localhost Client  Type            Name                           SourceOfValue   Value ----            ----                           -------------   ----- System String   TrustedHosts                                   machineA machineB machineC machineD

User · Answer

I prefer to work with the PSDrive WSMan     Get TrustedHosts  Get-Item WSMan  localhost Client TrustedHosts   Set TrustedHosts  provide a single  comma-separated  string of computer names  Set-Item WSMan  localhost Client TrustedHosts -Value  machineA machineB    or  dangerous  a wild-card  Set-Item WSMan  localhost Client TrustedHosts -Value       to append to the list  the -Concatenate parameter can be used  Set-Item WSMan  localhost Client TrustedHosts -Value  machineC  -Concatenate

User · Answer

The suggested answer by Lo  c MICHEL blindly writes a new value to the TrustedHosts entry  I believe  a better way would be to first query TrustedHosts  As Jeffery Hicks posted in 2010  first query the TrustedHosts entry   PS C   gt   current  get-item WSMan  localhost Client TrustedHosts  value PS C   gt   current    testdsk23 alpha123  PS C   gt  set-item WSMan  localhost Client TrustedHosts    value  current

User · Answer

winrm set winrm config client    TrustedHosts  machineA machineB

[windows] How to add more than one machine to the trusted hosts list using winrm

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