Powershell remoting with ip-address as target

Question

I successfully enabled PSRemoting on my Server 2008 R2  I m able to do a remote-pssession from within the same network using the hostname as target   I m failing when I try to use the IP-Address as target from any computer  within the network or from another network  for example via VPN    I want to be able to use remoting through my VPN connection where I have to use the IP-Address since the hostname can t be resolved   I don t want to add names into my hosts-file because there are a few other servers at our clients  that have the same dns-name and I don t want to remove and insert the name-ip-address-association again and again   I hope someone can tell me how to allow the psremoting-target to be called via IP   Edit  To be more specific  I want to be able to run this     Enter-PSSession -Computername 192 168 123 123 -credentials  cred    But I m only able to run that command if I pass a hostname to  -Computername   Edit2  I m getting following errormessage when I try to login using the ip  instead of the hostname  from the internal network    Enter-PSSession   Connecting to remote server failed with the following error message   The WinRM client cannot process  the request  Default authentication may be used with an IP address under the following conditions  the transport is HT TPS or the destination is in the TrustedHosts list  and explicit credentials are provided  Use winrm cmd to configure T rustedHosts  Note that computers in the TrustedHosts list might not be authenticated  For more information on how to se t TrustedHosts run the following command  winrm help config  For more information  see the about Remote Troubleshooting  Help topic    Edit3  I know about the trusted-hosts setting of WSMan  but that doesn t seem to be the problem  It is already set to      I did that right after enabling remoting   but I still can t connect to that server using the ip as target-computername  but I m able to connect using the hostname as target-computername  Seems like there s something like the binding  in IIS that prevents the listener to listen on requests that target the ip-number instead of the hostname  But IIS isn t  installed  I don t know where to look for such a setting   Update 2011-07-12  Okay  I think that trustedhosts-setting is not the problem because I CAN connect from our DC via hostname but not if I use the ip-address of the destination for the computer-param  I think  the problem must be the listener  Maybe the listener takes no requests that were targeted to the destination-ip instead of the destination-hostname  But I don t know how to change that

User · Answer

On your machine  run  Set-Item WSMan  localhost Client TrustedHosts -Value   ipaddress    Machine from where you are running PSSession

User · Answer

The guys have given the simple solution  which will do be you should have a look at the help - it s good  looks like a lot in one go but it s actually quick to read   get-help about Remote Troubleshooting   more

User · Answer

On Windows 10 it is important to make sure the WinRM Service is running to invoke the  command    Set-Item wsman  localhost Client TrustedHosts -value     -Force

User · Answer

I test your assertion in my infrastructure the IP address is not the problem the following works for me    PS C  Users JPB gt  hostname JPBCOMPUTER PS C  Users JPB gt  Enter-PSSession -ComputerName 192 168 183 100 -Credential  cred  192 168 183 100   PS C  Users jpb Documents gt   192 168 183 100   PS C  Users jpb Documents gt  hostname WM2008R2ENT   If you try to work accross a VPN you d better have to have a look to the firewall settings on the way to your server  Installation and Configuration for Windows Remote Management can help you  The TCP port WinRM is waiting on are    WinRM 1 1 and earlier   The default HTTP port is 80   WinRM 2 0   The default HTTP port is 5985     Edited   According to your error can you test this on youclient computer    Set-Item WSMan  localhost Client TrustedHosts

User · Answer

The error message is giving you most of what you need  This isn t just about the TrustedHosts list  it s saying that in order to use an IP address with the default authentication scheme  you have to ALSO be using HTTPS  which isn t configured by default  and provide explicit credentials  I can tell you re at least not using SSL  because you didn t use the -UseSSL switch   Note that SSL HTTPS is not configured by default - that s an extra step you ll have to take  You can t just add -UseSSL   The default authentication mechanism is Kerberos  and it wants to see real host names as they appear in AD  Not IP addresses  not DNS CNAME nicknames  Some folks will enable Basic authentication  which is less picky - but you should also set up HTTPS since you d otherwise pass credentials in cleartext  Enable-PSRemoting only sets up HTTP    Adding names to your hosts file won t work  This isn t an issue of name resolution  it s about how the mutual authentication between computers is carried out    Additionally  if the two computers involved in this connection aren t in the same AD domain  the default authentication mechanism won t work  Read  help about remote troubleshooting  for information on configuring non-domain and cross-domain authentication   From the docs at http   technet microsoft com en-us library dd347642 aspx  HOW TO USE AN IP ADDRESS IN A REMOTE COMMAND -----------------------------------------------------     ERROR   The WinRM client cannot process the request  If the     authentication scheme is different from Kerberos  or if the client     computer is not joined to a domain  then HTTPS transport must be used     or the destination machine must be added to the TrustedHosts     configuration setting   The ComputerName parameters of the New-PSSession  Enter-PSSession and Invoke-Command cmdlets accept an IP address as a valid value  However  because Kerberos authentication does not support IP addresses  NTLM authentication is used by default whenever you specify an IP address    When using NTLM authentication  the following procedure is required for remoting   1  Configure the computer for HTTPS transport or add the IP addresses    of the remote computers to the TrustedHosts list on the local    computer      For instructions  see  How to Add a Computer to the TrustedHosts    List  below    2  Use the Credential parameter in all remote commands      This is required even when you are submitting the credentials    of the current user

User · Answer

For those of you who don t care about following arbitrary restriction imposed by Microsoft you can simply add a host file entry to the IP of the server your attempting to connect to rather then use that instead of the IP to bypass this restriction  Enter-PSSession -Computername NameOfComputerIveAddedToMyHostFile -credentials  cred

User · Answer

Try doing this   Set-Item WSMan  localhost Client TrustedHosts -Value     -Force

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