Change Bios Serial Number
- Change Vm Bios Serial Number
- Change Bios Serial Number Hp
- Change Bios Serial Number Asus
- Phoenix Bios Change Serial Number
- Bios Serial Number Command
- Change Bios Serial Number Dell
Several computing functions require the ability to uniquely identify a computer. These functions will generally rely on various signatures presented by hardware components. For a physical machine, it’s expected that these numbers will be constants. For virtual machines, almost nothing is constant. Nothing is truly unique, either, as duplicates can be made through simple file copy operations. Sometimes, items are duplicated that should be unique. All of these situations can be avoided by using Hyper-V’s export and import functionality, but, things happen. This post includes a free script that easily modifies the BIOS GUID of a virtual machine.
The particular field that this script modifies (VM BIOS GUID) is also known as the system’s UUID (universally unique identifier). I know that it is used when you attempt to PXE boot a computer. If you’re here, you likely already know the reason that you care about it, so I’m not going to spend a lot of time on that particular topic. If you want to see what a computer’s UUID is, open an elevated PowerShell prompt and run the following (this works on any Windows computer, whether virtual or physical):
I used short-hand aliases since this is something you’re typing interactively. gwmi is short for Get-WMIObject, Win32_ComputerSystem is being given to the positional ClassName parameter, select is an alias for Select-Object, and UUID is being supplied to the positional Property parameter.
VirtualBox sets the BIOS serial number of every VM instance to 0. It seems to be possible to change some BIOS settings, but I haven't seen anything that directly references the serial number. Jan-Thank you. I will get into this and report back my findings. Jimmy-I apreciate your response. I opened up a case with Support One, but they said there is no way to do what I am asking, and the only way to change the serial number is by entering the bios during a reboot.
The output of the above PowerShell prompt is the computer’s UUID. On a virtual machine, it is also the BIOS GUID. That is the field that this script modifies.
I observed that the serial number of the VM when we retrieve using wmic bios get serialnumber is the same when I use export and import the VM from another machines, despite which option I selected, i.e I tried the last option, copy Virtual Machines with new unique id but it's end up the same serial number when I executed the above command. Re: Bios - Invalid Machine Type & Serial Number 07:34 AM - edited 07:35 AM You should be able to use AMIDEDOS.EXE to set the MT + SN, but to do so you'll need to be able to boot DOS and not the EFI shell. When managing a large number of virtual machines, there is often a need to tag it in some way with one or more properties uniquely identifying it for administrative purposes. One example would be to identify a virtual machine as belonging to a person, team or business unit. The Hyper-V WMI namespace has a number. Re: Bios serial number change 04:38 AM I called (again) and talked to two different persons for about an hour (actually 3, but one hang up after 10 seconds or lost connection, whatever). How can I change serial number of my virtual machine? NOTE: This feature is available only in Parallels Desktop Pro and Parallels Desktop Business editions. Find your current serial number. First of all we need to know the current serial number of your virtual machine.
Warning 1: Changes to this field are irreversible without restoring from backup. Modification of the field is likely to trigger software activation events. Other side effects, potentially damaging, may occur. Use this script at your own risk.
Warning 2: The BIOS GUID cannot be modified while the virtual machine is on. It must be in an Off state (not Saved or Paused). This script will turn off a running virtual machine (you are prompted first). It will not change anything on saved or paused VMs.
The following safety measures are in place:
- The script is marked as High impact, which means that it will prompt before doing anything unless you supply the -Force parameter or have your confirmation preference set to a dangerous level. It will prompt up to two times: once if the virtual machine is running (because the VM must be off before the change can occur) and when performing the change.
- The script will only accept a single virtual machine at a time. Of course, it can operate within a foreach block so this barrier can be overcome. The intent was to prevent severe accidents such as Get-VMNew-VMBIOSGUID.
- If a running virtual machine does not shut down within the allotted time, the script exits. The default wait time is 5 minutes, overridable by specifying the Timeout parameter. The timeout is measured in seconds. If the virtual machine’s guest shutdown process was properly triggered, it will continue to attempt to shut down and this script will not try to turn it back on.
- If a guest’s shutdown integration service does not respond (which includes guests that don’t have a shutdown integration service) the script will exit without making changes.
Tip: If you just want to know what a virtual machine’s BIOSGUID is, and the above PowerShell doesn’t work/isn’t what you want to do, use this function with the -WhatIf parameter. However, because the BIOSGUID is automatically generated each time the script is run, the one that WhatIf displays will not be the one that is actually applied should you run the script again. When running without WhatIf, the GUID shown in the confirmation prompt is the GUID that will be applied.
New-VMBIOSGUID
Change Vm Bios Serial Number
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 146 148 150 152 154 156 158 160 162 164 166 168 170 172 174 176 178 180 182 184 186 188 190 192 194 196 198 200 202 204 206 208 210 212 214 216 218 220 222 224 226 228 230 232 234 236 238 240 242 244 246 248 250 252 254 256 258 | { .SYNOPSIS Changes the BIOSGUID for Hyper-V guests running on Hyper-V versions 8/2012 or later. Changes the BIOSGUID for Hyper-V guests running on Hyper-V versions 8/2012 or later. A GUID can be supplied. If not, one is automatically generated. If the virtual machine is running, this script will attempt to shut it down prior to the operation. Once the replacement is complete, the virtual machine will be turned back on. The name or virtual machine object (from Get-VM) of the virtual machine whose BIOSGUID is to be changed. The new GUID to assign to the virtual machine. If empty, a new GUID will be automatically generated. The Hyper-V host that owns the virtual machine to be modified. Number of seconds to wait when shutting down the guest before assuming the shutdown failed and ending the script. If the virtual machine is off, this parameter has no effect. Suppresses prompts. If this parameter is not used, you will be prompted to shut down the virtual machine if it is running and you will be prompted to replace the BIOSGUID. Force can shut down a running virtual machine. It cannot affect a virtual machine that is saved or paused. Performs normal WhatIf operations by displaying the change that would be made. However, the new BIOSGUID is automatically generated on each run. The one that WhatIf displays will not be used. Version 1.0 Author: Eric Siron This script comes with no warranty, express or implied. Neither Altaro Software nor Eric Siron are liable for any damages, intentional or otherwise, that arise from its use in any capacity. Microsoft.HyperV.PowerShell.VirtualMachine or System.String .EXAMPLE Replaces the BIOS GUID on the virtual machine named svtest with an automatically-generated ID. .EXAMPLE Exactly the same as example 1; uses positional parameter. .EXAMPLE Exactly the same as example 1 and 2; uses the pipeline. .EXAMPLE Exactly the same as examples 1, 2, and 3; prompts suppressed. .EXAMPLE Replaces the BIOS GUID of svtest with the supplied ID. These IDs can be generated with [System.Guid]::NewGuid(). .EXAMPLE Shows how the BIOS GUID will be changed. TIP: Use this to view the current BIOS GUID without changing it. #requires -Version 4 #requires -RunAsAdministrator [CmdletBinding(SupportsShouldProcess=$true,ConfirmImpact='High')] ( [Parameter(Mandatory=$true,ValueFromPipeline=$true,Position=1)][PSObject]$VM, [Parameter()][String]$ComputerName=$env:COMPUTERNAME, [Parameter()][Switch]$Force { <# adapted from http://blogs.msdn.com/b/taylorb/archive/2008/06/18/hyper-v-wmi-rich-error-messages-for-non-zero-returnvalue-no-more-32773-32768-32700.aspx #> { ( [Parameter(ValueFromPipeline=$true)][System.Management.ManagementBaseObject]$WmiResponse, [Parameter()][String]$MethodName=$null, [Parameter()][String]$ComputerName { { { Write-Progress-Activity('Modifying virtual machine {0}'-f$VMName,$ComputerName)-Status('{0}% Complete'-f$Job.PercentComplete)-PercentComplete$Job.PercentComplete $Job.PSBase.Get() { { } { } Write-Progress$Job.Caption'Completed'-Completed$true } { } if($ErrorCode-ne0) if($WmiClassPath-and$MethodName) $PSWmiClass=[WmiClass]$WmiClassPath $PSWmiClass.PSBase.Options.UseAmendedQualifiers=$true $MethodQualifiers=$PSWmiClass.PSBase.Methods[$MethodName].Qualifiers $IndexOfError=[System.Array]::IndexOf($MethodQualifiers['ValueMap'].Value,[String]$ErrorCode) { throw('Error Code: {0}, Method: {1}, Error: {2}'-f$ErrorCode,$MethodName,$MethodQualifiers['Values'].Value[$IndexOfError]) else throw('Error Code: {0}, Method: {1}, Error: Message Not Found'-f$ErrorCode,$MethodName) } } } { $VMName=' if($InputType.FullName-eq'System.String') $VMName=$VM elseif($InputType.FullName-eq'Microsoft.HyperV.PowerShell.VirtualMachine') $VMName=$VM.Name } { throw('You must supply a virtual machine name or object.') { { } { throw('Provided GUID cannot be parsed. Supply a valid GUID or leave empty to allow an ID to be automatically generated.') } Write-Verbose-Message('Establishing WMI connection to Virtual Machine Management Service on {0}..'-f$ComputerName) $VMMS=Get-WmiObject-Namespacerootvirtualizationv2-ClassMsvm_VirtualSystemManagementService-ComputerName$ComputerName Write-Verbose-Message'Acquiring an empty paramater object for the ModifySystemSettings function..' $ModifySystemSettingsParams=$VMMS.GetMethodParameters('ModifySystemSettings') Write-Verbose-Message('Establishing WMI connection to virtual machine {0}'-f$VMName) $VMObject=Get-WmiObject-Namespacerootvirtualizationv2-ClassMsvm_ComputerSystem-Filter'ElementName = '$VMName' { throw('Virtual machine {0} not found on computer {1}'-f$VMName,$ComputerName) Write-Verbose-Message('Verifying that {0} is off..'-f$VMName) if($OriginalState-ne3) if($OriginalState-eq2-band($Force.ToBool()-bor$PSCmdlet.ShouldProcess($VMName,'Shut down'))) $ShutdownComponent=$VMObject.GetRelated('Msvm_ShutdownComponent') Process-WMIJob-WmiResponse$ShutdownComponent.InitiateShutdown($true,'Change BIOSGUID')-WmiClassPath$ShutdownComponent.ClassPath-MethodName'InitiateShutdown'-VMName$VMName-ComputerName$ComputerName-ErrorActionStop # the InitiateShutdown function completes as soon as the guest's integration services respond; it does not wait for the power state change to complete Write-Verbose-Message('Waiting for virtual machine {0} to shut down..'-f$VMName) $TimeoutExpiration=[datetime]::Now+[timespan]::FromSeconds($Timeout) { $ElapsedPercent=[UInt32]((([datetime]::Now-$TimeoutCounterStarted).TotalSeconds/$Timeout)*100) { throw('Timeout waiting for virtual machine {0} to shut down'-f$VMName) else Write-Progress-Activity('Waiting for virtual machine {0} on {1} to stop'-f$VMName,$ComputerName)-Status('{0}% timeout expiration'-f($ElapsedPercent))-PercentComplete$ElapsedPercent $VMObject.Get() } elseif($OriginalState-ne2) throw('Virtual machine must be turned off to replace the BIOS GUID. It is not in a state this script can work with.'-f$VMName) } Write-Verbose-Message('Retrieving all current settings for virtual machine {0}'-f$VMName) $CurrentSettingsDataCollection=$VMObject.GetRelated('Msvm_VirtualSystemSettingData') Write-Verbose-Message'Extracting the settings data object from the settings data collection object..' foreach($SettingsObjectin$CurrentSettingsDataCollection) $CurrentSettingsData=[System.Management.ManagementObject]($SettingsObject) { $NewID=[System.Guid]::NewGuid() $OriginalGUID=$CurrentSettingsData.BIOSGUID Write-Verbose-Message('Orginal BIOS GUID: {0}'-f$OriginalGUID) Write-Verbose-Message'Changing BIOSGUID in data object..' $CurrentSettingsData['BIOSGUID']='{$($NewID.Guid.ToUpper())}' Write-Verbose-Message('New BIOS GUID: {0}'-f$CurrentSettingsData.BIOSGUID) Write-Verbose-Message'Assigning modified data object as parameter for ModifySystemSettings function..' $ModifySystemSettingsParams['SystemSettings']=$CurrentSettingsData.GetText([System.Management.TextFormat]::CimDtd20) if($Force.ToBool()-bor$PSCmdlet.ShouldProcess($VMName,('Change BIOSGUID from {0} to {1}'-f$OriginalGUID,'{$($NewID.Guid.ToUpper())}'))) Write-Verbose-Message('Instructing Virtual Machine Management Service to modify settings for virtual machine {0}'-f$VMName) Process-WMIJob-WmiClassPath$VMMS.ClassPath($VMMS.InvokeMethod('ModifySystemSettings',$ModifySystemSettingsParams,$null)) Process-WMIJob-WmiResponse($VMMS.InvokeMethod('ModifySystemSettings',$ModifySystemSettingsParams,$null))-WmiClassPath$VMMS.ClassPath-MethodName'ModifySystemSettings'-VMName$VMName-ComputerName$ComputerName $VMObject.Get() { Write-Verbose-Message('Returning {0} to its original running state.'-f$VMName) Process-WMIJob-WmiResponse$VMObject.RequestStateChange($OriginalState)-WmiClassPath$VMObject.ClassPath-MethodName'RequestStateChange'-VMName$VMName-ComputerName$ComputerName-ErrorActionStop } |
Script Discussion
Change Bios Serial Number Hp
Changing the BIOSGUID has never been something that I needed to do, but I saw someone else requesting it. I noticed that all existing documentation was written for version 1 of the Hyper-V WMI namespace, which doesn’t exist as of 2012 R2. Whereas a number of WMI-based Hyper-V functions can be updated from the v1 namespace to the v2 namespace just by changing the -Namespace parameter from rootvirtualization to rootvirtualizationv2, these functions have completely different names and are not accessed through associators. So, none of those older guides will work for current virtual machines; mine will not work on 2008 R2 and earlier.
There aren’t any supported non-WMI techniques to change a Hyper-V virtual machine’s BIOSGUID/UUID. Up through 2012 R2, you can modify the .XML file directly. From what I’ve seen of the new virtual machine file format in 2016, you should be able to perform something similar using a binary file editor. However, if you don’t want to get on the bad side of Microsoft support, WMI is the way to go.
For a more detailed discussion of the BIOSGUID on Hyper-V, I found an article by John Howard. Most of the how-to there is useless because it’s for the older version, but you can learn more about the field itself than what I explained.
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Change Bios Serial Number Asus
