Private/Get-WMIBMCIPAddress.ps1
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function Get-WMIBMCIPAddress { <# .SYNOPSIS Accesses WMI to obtain the BMC IP Address of the device .NOTES Based on script by Michael Albert (http://michlstechblog.info/blog/windows-read-the-ip-address-of-a-bmc-board/) .PARAMETER ComputerName Name of the Windows Computer to check for a BMC #> param ( [Parameter(Mandatory=$true,ValueFromPipeline=$true)][String[]]$ComputerName ) Begin { # Some constants # <a title="Microsoft In Band Management" href="http://gallery.technet.microsoft.com/scriptcenter/In-Band-Management-using-88e221b8" target="_blank">Source</a> [byte]$BMCResponderAddress = 0x20 [byte]$GetLANInfoCmd = 0x02 [byte]$GetChannelInfoCmd = 0x42 [byte]$SetSystemInfoCmd = 0x58 [byte]$GetSystemInfoCmd = 0x59 [byte]$DefaultLUN = 0x00 [byte]$IPMBProtocolType = 0x01 [byte]$8023LANMediumType = 0x04 [byte]$MaxChannel = 0x0b [byte]$EncodingAscii = 0x00 [byte]$MaxSysInfoDataSize = 19 } Process { foreach ($cn in $ComputerName) { write-progress "Connecting to WMI on $cn" #Reset Variables $oIPMI = $null $oRet = $null #Get IPMI Instance try { if ((gwmi -computername $cn "win32_computersystem").manufacturer -match "VMware" ) { write-warning "$cn`:This is a Virtual Machine. Skipping BMC check";continue } $oIPMI=Get-WmiObject -Namespace root\WMI -Class MICROSOFT_IPMI -Computername $cn -ErrorAction stop } catch { if ($PSItem.Exception.Message -match "Invalid Class") { write-warning "$cn`: No BMC Found. If this server is Windows 2003, ensure the Hardware Management feature is installed" } if ($PSItem.Exception.Message -match "RPC Server Unavailable") {write-warning "$cn`: Could not connect to WMI on this host. Please ensure it is a windows machine and check firewalls"} } #If for whatever reason an IPMI object is not returned, skip this system and move on if (!$oIPMI) {write-warning "$cn`: No IPMI Object Returned. Skipping...";continue} #Create Result Info $IPMIResult = [ordered]@{} $IPMIResult.ComputerName = $cn #Get the LAN Channel and IP address if found [byte[]]$RequestData=@(0) $oMethodParameter=$oIPMI.GetMethodParameters("RequestResponse") $oMethodParameter.Command=$GetChannelInfoCmd $oMethodParameter.Lun=$DefaultLUN $oMethodParameter.NetworkFunction=0x06 $oMethodParameter.RequestData=$RequestData $oMethodParameter.RequestDataSize=$RequestData.length $oMethodParameter.ResponderAddress=$BMCResponderAddress # http://msdn.microsoft.com/en-us/library/windows/desktop/aa392344%28v=vs.85%29.aspx $RequestData=@(0) [Int16]$iLanChannel=0 [bool]$bFoundLAN=$false for(;$iLanChannel -le $MaxChannel;$iLanChannel++){ $RequestData=@($iLanChannel) $oMethodParameter.RequestData=$RequestData $oMethodParameter.RequestDataSize=$RequestData.length try { $oRet=$null $oRet=$oIPMI.PSBase.InvokeMethod("RequestResponse",$oMethodParameter,(New-Object System.Management.InvokeMethodOptions)) } catch [Exception] { write-warning "$CN`: Error While attempting to find LAN Channels";return } #$oRet if($oRet.ResponseData[2] -eq $8023LANMediumType){ $bFoundLAN=$true break; } } $oMethodParameter.Command=$GetLANInfoCmd $oMethodParameter.NetworkFunction=0x0c if($bFoundLAN){ $RequestData=@($iLanChannel,3,0,0) $oMethodParameter.RequestData=$RequestData $oMethodParameter.RequestDataSize=$RequestData.length $oRet=$oIPMI.PSBase.InvokeMethod("RequestResponse",$oMethodParameter,(New-Object System.Management.InvokeMethodOptions)) $IPMIResult.BMCIPAddress = (""+$oRet.ResponseData[2]+"."+$oRet.ResponseData[3]+"."+$oRet.ResponseData[4]+"."+ $oRet.ResponseData[5] ) $RequestData=@($iLanChannel,6,0,0) $oMethodParameter.RequestData=$RequestData $oMethodParameter.RequestDataSize=$RequestData.length $oRet=$oIPMI.PSBase.InvokeMethod("RequestResponse",$oMethodParameter,(New-Object System.Management.InvokeMethodOptions)) $IPMIResult.BMCSubnetMask = (""+$oRet.ResponseData[2]+"."+$oRet.ResponseData[3]+"."+$oRet.ResponseData[4]+"."+ $oRet.ResponseData[5] ) $RequestData=@($iLanChannel,5,0,0) $oMethodParameter.RequestData=$RequestData $oMethodParameter.RequestDataSize=$RequestData.length $oRet=$oIPMI.PSBase.InvokeMethod("RequestResponse",$oMethodParameter,(New-Object System.Management.InvokeMethodOptions)) # Format http://msdn.microsoft.com/en-us/library/dwhawy9k.aspx $IPMIResult.BMCMACAddress = ("{0:x2}:{1:x2}:{2:x2}:{3:x2}:{4:x2}:{5:x2}" -f $oRet.ResponseData[2], $oRet.ResponseData[3],$oRet.ResponseData[4], $oRet.ResponseData[5], $oRet.ResponseData[6], $oRet.ResponseData[7]) } #If #Output the result new-object PSObject -Property $IPMIResult } #Foreach } #Process } #Get-WMIBMCIPAddress |