Question

How to start up a VM in Hyper-V when I cannot access the Hyper-V server from HV Management Console?

Asked by: tfcmarty

I got myself in a sticky wicket.  I have a Intel Modular Server running Hyper-V,  Installed EBS Management server in it's own VM, Installed EBS Messaging Server in another VM.  They are the domain controllers.  Put the Hyper-V in the domain.  had to bring down the server to do a Bios update.

Problem: Hyper-V starts fine, Tried to use my Vista PC to see the VM's on the server but cannot because I don't have DNS nor Active Directory running.

I tried to use  the Virtual Guy's vbs file to start the VM but I get error
startvm.vbs(20,1) SWbemObjectSet: Invalid Parameter

See Script in Code Section:

I'm not sure how to run the Powerscript on the Hyper-V console.

So I went back to trying to access VM's via the Management console after making sure I can ping the Hyper-V, putting the name resolution in my host file I keep getting:
Cannot connect the the RPC service on computer 'GLVMHOST1' Make sure your RPC service is running.

I'm stuck, I loaded the HVremote to check that the firewall has been turned off on both the Hyper-V and Workstation.


Starting a Hyper-V Virtual Machine
Next in the line up of scripts - another simple one - starting a virtual machine:
 
VBScript:
 
Option Explicit
 
Dim WMIService
Dim VMList
Dim VMName
 'Specify the name of the virtual machine that I want to start
VMName = "glmgmt"
 
 'Get instance of 'virtualization' WMI service on the local computerSet WMI
Service = GetObject("winmgmts:\\.\root\virtualization")
 'Query for the specific virtual machine that I want to start
Set VMList = WMIService.ExecQuery("SELECT * FROM Msvm_ComputerSystem WHERE ElementName='" & VMName & "'")
 ' Request a state change on the first VM that is returned
 ' 2 = start, 3 = stop and 32769 = save state
VMList.ItemIndex(0).RequestStateChange(2) 
 
PowerShell:
 
#The name of the virtual machine to be started$VMName = "Windows Server 2003" #
Get the VM Object$query = "SELECT * FROM Msvm_ComputerSystem WHERE ElementName='" + $VMName + "'"$VM = get-wmiobject -query $query -namespace "root\virtualization" -computername "." 
#Request a state change on the VM
$Result = $VM.RequestStateChange(2)

                                  
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Asked On
2009-08-01 at 14:19:31ID24619220
Tags

Microsoft

,

Hyper-V

Topics

Hyper-V

,

Hypervisor

Participating Experts
3
Points
500
Comments
26

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Answers

 

by: plimpiasPosted on 2009-08-01 at 14:27:53ID: 24996741

This would be why i recommend putting a dc on a seperate physical box.

You need to RDP to the server using a local admin account and run this script

copy this script below and name it startvm.vbs
change the name DCNAMe to your dc server name
csript startvm.vbs


Option Explicit

Dim WMIService
Dim VMList
Dim VMName


'Specify the name of the virtual machine that I want to start

VMName = "DCNAME"

'Get instance of 'virtualization' WMI service on the local computer

Set WMIService = GetObject("winmgmts:\\.\root\virtualization")
'Query for the specific virtual machine that I want to start

Set VMList = WMIService.ExecQuery("SELECT * FROM Msvm_ComputerSystem WHERE ElementName='" & VMName & "'")

' Request a state change on the first VM that is returned
' 2 = start, 3 = stop and 32769 = save state

VMList.ItemIndex(0).RequestStateChange(2)

 

by: tfcmartyPosted on 2009-08-01 at 15:00:39ID: 24996869

Since I don't have any runing Domain Controller from the existing domain to attach to, do you want me to make a new Active Directory on a different machine with a different DOmain Name and make the Hyper-V a member of it?

 

by: plimpiasPosted on 2009-08-01 at 17:20:56ID: 24997188

What?

Your problem is your DC is down right? And it is a VM tight? And u can't get into the hyper manager to start it right. Log into your hyper server with a local account . Run the script to start your DC vm

 

by: plimpiasPosted on 2009-08-01 at 17:39:43ID: 24997235

You name to put that VBScript file on the C drive on your hyper-v server

no powershell, just go to your c drive with the command line and type in

cscript startvm.vbs

 

by: tfcmartyPosted on 2009-08-01 at 18:17:47ID: 24997346

When I log on to the the local Hyper-V Server console with the local admin account, and run the Script to start the DC, it comes back with the  startvm.vbs(20,1) SWbemObjectSet: Invalid Parameter error message.  This might be due to the fact that I'm running it on the Hyper-V Server and not a full Windows 2008 Server w Hyper-V. I just don't know how to find out what the Invalid Parameter actually is when the script runs.

 

by: plimpiasPosted on 2009-08-01 at 18:28:53ID: 24997390

are you saying you are running server core? or the hypervisor 2008 server? i know it works in server core.
you are running it with using the command
cscript startvm.vbs

right?

try and recopy the code again.

 

by: tfcmartyPosted on 2009-08-02 at 07:58:37ID: 24999019

I was trying to run it on Hypervisor (Hyper-V)2008 server not the core.  It keeps failing so I'm trying another path.

I built a new Windows 2008 server with Hyper-V, Attached the Raid HD that contains the EBS Management server to this to the new server as the second drive.
Found an excellent program at http://blog.dmasoft.com/?p=16 that will make the database edits to the VHD to make it visable in the Hyper-V Mgmt console.  I tried to start it at this point but got the "cannot access the settings" error message.  I started to Export the VHD and about 87% through it failed with a CRC error.

I'm starting to do the same steps with the Exchange 2007 server VHD to see if I can Export then Import it.

Let me know if you know of an app to check the integrity of an VHD with out being able to run it.

 

by: plimpiasPosted on 2009-08-02 at 08:41:40ID: 24999169

ok another thing you can do that will work is the following

Add a new administrator account to the server with a password, make sure it is a admin account

Go to your vista machine and create the same user name and password on the machine. Log out and log back in with the exact same user account.

You should then be able to access the hyper-v server.

 

by: plimpiasPosted on 2009-08-02 at 08:42:04ID: 24999171

these or course are local accounts.

 

by: tfcmartyPosted on 2009-08-02 at 12:39:38ID: 25000130

What I'm running into is the fact that the Hyper-V Servers were part of the Domain that currently has no Logon controllers functioning.  So I cannot add a local user until I get one of the DC working again.  When I try to add a WS user the HYV said it is in a domain and looks forces you to logon as domain\user.  
So I'm working on importing the Exchage Messaging server that also is a DC. I'm right now copying the Exported file to a hard drive.

 

by: plimpiasPosted on 2009-08-02 at 13:25:43ID: 25000345

i don't think you understand. When you setup the hyper-v server the first thing it did is ask you to create a password for teh LOCAL administrator account

you will need to hit switch user and log on locally.

 

by: plimpiasPosted on 2009-08-02 at 13:26:48ID: 25000348

when you get to the interface choose option 4 which is Add local administrator..

 

by: tfcmartyPosted on 2009-08-02 at 15:10:41ID: 25000766

I logged in locally and did option 4, the error message I get back is: Title Bar: Local admin Group,
Failed to add user to local admin group, username.  The only way I can logon is as the local admin.

When I try to login as the Domain Admin I gat an error message, There are currently no logon servers available to service the logon request.

 

by: plimpiasPosted on 2009-08-02 at 15:30:55ID: 25000870

Then change the local admin password on your vista computer. Then log in using the local admin on the vista. As long as they match you will be able to authenticate

 

by: tfcmartyPosted on 2009-08-02 at 15:38:11ID: 25000913

I found a GUI Client called Smart-X that allowed me to bypass the console interface and create a local Admin user.  Testing it now.

 

by: tfcmartyPosted on 2009-08-02 at 16:10:18ID: 25001029

Now at least it connects and stops at Loading Virtual Machines.  
Do you know where the Symbolic Links are in Hyper-V Server?  There is no Program Data directory like in Server 2008 w Hyper-V.
I'm sure I'm the one who messed that up.  I  made sure everything was in the places where they were when it worked.

 

by: tfcmartyPosted on 2009-08-02 at 16:51:07ID: 25001178

I got the Exchange Server running via the Export / Import Method.  I put it on a Windows 2008 Hyper-V and not a Hyper-V server.  So now I have DNS running & Active Directory, no DHCP yet.  I cannot export the Management server due to that CRC error.  Any ideas? Thanks

 

by: plimpiasPosted on 2009-08-02 at 17:44:29ID: 25001310

IF you have no snaps on the server, and all the VHD is up to date. You can simply copy the VHD to a new server and create a new virtual server and connect to the existing VHD for the disk. It is that simple.

 

by: tfcmartyPosted on 2009-08-02 at 20:55:07ID: 31610781

I was finally able to get past the CRC errors and did exactly as you said.  Thanks for taking the time this weekend to respond to my questions.

 

by: richiet3333Posted on 2009-08-10 at 14:23:40ID: 25064202

My script is running without an error in hyper v core but, still my vm is not started. Why?

 

by: plimpiasPosted on 2009-08-10 at 14:38:50ID: 25064314

make sure the name on the script is the correct name of the VM server, not the server name. you have to change it, make sure it matches.

 

by: richiet3333Posted on 2009-08-11 at 06:26:20ID: 25068726

I give the same name as VM have. When i try with another name it shows error.

 

by: richiet3333Posted on 2009-08-11 at 06:30:27ID: 25068771

I give the same name as VM have. When i try with another name it shows error.Is there any thing wrong in script as i mention below.

Option Explicit

Dim WMIService
Dim VMList
Dim VMName


'Specify the name of the virtual machine that I want to start

VMName = "Vista"

'Get instance of 'virtualization' WMI service on the local computer

Set WMIService = GetObject("winmgmts:\\.\root\virtualization")
'Query for the specific virtual machine that I want to start

Set VMList = WMIService.ExecQuery("SELECT * FROM Msvm_ComputerSystem WHERE ElementName='" & VMName & "'")

' Request a state change on the first VM that is returned
' 2 = start, 3 = stop and 32769 = save state

VMList.ItemIndex(0).RequestStateChange(2)

 

by: plimpiasPosted on 2009-08-11 at 06:55:35ID: 25069042

Try this, i dont know why it isn't working for you but this will at least get you in so you can see

ok another thing you can do that will work is the following

Add a new administrator account to the server with a password, make sure it is a admin account

Go to your vista machine and create the same user name and password on the machine. Log out and log back in with the exact same user account.

You should then be able to access the hyper-v server.

 

by: richiet3333Posted on 2009-08-11 at 07:05:43ID: 25069169

I work remotely. If i will go to site then i know i connect my laptop and i start virtual machine.I want to start it remotely.

 

by: bublerPosted on 2010-01-19 at 03:29:44ID: 26348504

For future reference:
If you get "Invalid Parameter" when you try to run the VB Script you need to Run it as Administrator.

20120131-EE-VQP-002

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