[THIN] ARTICLE: Running VMWare workstation VM's as a service
- From: "Jim Kenzig http://thin.net" <jimkenz@xxxxxxxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Thu, 24 Jun 2004 22:30:31 -0400
The June issue of Windows .Net magazine has a good article about how to
run VMware VM's as a service which may interest some of you:
VMware—At Your Service!
Run VMware Workstation VMs as services
Windows & .NET Magazine
If you're a VMware enthusiast, you've probably on more than one occasion
wanted to log off from your computer while leaving your virtual machines
(VMs) running. Or, maybe you've wanted selected VMs to start as soon as
your system boots so that your host system can log on to a domain
controller (DC) running inside one of the host machine's VMs. Sound too
good to be true? That's what I thought. I assumed that logging off of my
computer and having my VMs remain running was an unattainable dream. But
I discovered that getting VMs to run as services is possible and very
easy to configure.
Tools for Service
VMware doesn't natively support running its software as a service, but
configuring VMware Workstation 4.0 VMs to run as services is almost as
easy as tying your shoes. All you need to get started are two
tried-and-true Windows resource kit tools: instsrv.exe and srvany.exe.
Both tools are available as free downloads. Go to
http://www.microsoft.com/downloads, enter Windows 2003 Resource Kit
Tools in the Keywords field, and click Go. Then, click the Windows
Server 2003 Resource Kit Tools Download button at the Windows Server
2003 Resource Kit Tools Web page to download rktools.exe—which contains
the most recent versions of Instsrv and Srvany—and run the executable to
install the tools on your system.
Note that you can install the Windows 2003 resource kit tools on a
Windows 2003 or Windows XP system. If your host system runs Windows 2000
or Windows NT, you can acquire Instsrv and Srvany from the Win2K or NT
resource kit CD-ROMs or you can install the Windows 2003 resource kit
tools on an XP system and just copy Instsrv and Srvany from the XP
system to the %windir% folder on your Win2K or NT host system. The
Windows 2003 versions of Instsrv and Srvany run on the earlier OSs
without any problems.
Installing the resource kit tools updates the system path to include the
resource kit installation folder. Updating the path requires a reboot,
so be sure to reboot your system after installing the resource kit.
Alternatively, you can copy Instsrv and Srvany to a folder already in
the path, such as the folder C:\windows\system32.
With the resource kit files in place, your next task is to determine the
location of the VMware application's vmware.exe file. I used the default
settings when installing VMware, so the path I needed was C:\program
The last bit of information that you need before you configure the new
service is the path to the configuration file of the VM that you want to
turn into a service. This file is in the folder in which the VM was
created and has a .vmx extension. All my VMs are stored on my system's E
drive, so the path to the .vmx file of the VM that I want to run as a
service is E:\vms\w2k1\w2k1.vmx. When you have the vmware.exe path and a
VM's .vmx path information, you're ready to create the service.
Creating the Service
First, decide on a name for the service. I prefer to preface the name of
the VM with VM_ to form the service name. For example, I would give my
VM named W2K1 the service name VM_W2K1. After you decide on the service
name, you can use the following syntax to set up the service:
instsrv <VM service name>
So a sample command might be
Now you need to modify the service's parameters by using a registry
editor and the Microsoft Management Console (MMC) Windows Services
snap-in. In the registry editor, navigate to the
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\<VM service name>
subkey. Right-click the VM service name, select New, then click Key.
Name the new subkey Parameters.
Right-click the Parameters subkey, select New, then click String Value.
Name the new value Application. Double-click the Application value and
enter the path to the vmware.exe file on your host system (put the
pathname in double quotation marks), followed by -x, followed by the
path to the VM's .vmx file (put the pathname in double quotation marks).
For my configuration, I used the string value "C:\program
files\vmware\vmware workstation\vmware.exe" -x "e:\vms\w2k1\w2k1.vmx".
Close the registry editor.
Open the Windows Services snap-in. Locate and right-click the newly
created VM service and select Properties. In the service's Properties
dialog box, click the Log On tab. Ensure that Local System account is
selected, and select the Allow service to interact with desktop check
box, which Figure 1 shows. Click OK to close the service Properties
dialog box. You can now use the Windows Services snap-in to start your
VM service. By default, the service is configured as automatic, so the
VM will start when your system starts. Each VM that you configure to run
as a service will appear in its own window on the desktop. Because the
VM is running as a service, you'll now be able to log off of your
system, and the VM will continue to run.
The configuration steps you've performed thus far will let any number of
VMs run as services without problems. However, you might find that some
built-in VMware features will get in the way. For example, when multiple
VMs attempt to start and share the same floppy drive, VMware displays a
message that the floppy drive will start as disconnected on all VMs
except for the one that was powered on first. You must click OK to
acknowledge the message before the VM boot processes will continue. To
prevent the need for manual intervention at boot time, you might want to
configure the settings of each VM on the host so that their floppy
drives don't connect at power on.
To configure a VM's floppy drive to start as disconnected, open the VM
in VMware, double-click the floppy drive icon, then clear the Connect at
Power On check box and click OK in the floppy drive's Settings dialog
box. One other method for preventing the floppy drive from connecting at
power on is to open the VM's .vmx configuration file in Notepad and set
the floppy0.startConnected parameter to "false".
VMware hints might also interrupt a VM's startup process. You can
prevent all hints from appearing for any particular VM by opening and
editing the VM's .vmx file in Notepad. To disable all hints, add the line
hints.hideAll = "true"
to the file, as Figure 2 shows.
Take It to the Max
Now your VMs can run in ways you've never imagined. For example, you can
configure a VM to run as a DC that your host OS can log on to. When
you've attained the "unattainable dream" of running VMware as a service,
the possibilities are endless.
Windows Server 2003 Resource Kit Tools
Windows & .NET Magazine Network is a Division of Penton Media Inc.
Copyright © 2004 Penton Media, Inc., All rights reserved
Ps. A while back i had a hard time finding how to turn of the PC beep
sound for a VMware session. I'd just like to pass on to everyone there
is a 'mks.nobeep = "TRUE"' feature you can add to your vm's .vmx file.
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