8-way VM on ESX 4.1 - Win2k8 R2 Standard edition

Today, I had to configure a VM with 8 vCPU's on an ESX 4.1 cluster. The guest OS was Windows Server 2008 R2 Standard Edition. However, after configuring the VM with 8 vCPU's it still only registered 4 vCPU's in the guest OS.

The reason is that both Win2k3 and Win2k8 R2 standard edition only can be configured with four physical CPUs or sockets. By default vSphere 4.0 and 4.1 presents 1 vCPU as one socket.

To bypass this, there is a feature (experimental in 4.0 but supported in 4.1) allowing you to configure multiple cores per socket. See this KB article. This feature has been included in vSphere 5.0 in the GUI.

See this article for comparison of Windows 2003 editions.

See this link for comparison of Windows 2008 edition (look for 'Editions Guide' at the bottom of the page). Or download PDF here.

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Change the Default Location for Installing Programs

It may happen that your windows drive (usually C:) getting over and there is low disk space. Now you are installing program in another location by browsing every time you install the program.

If so, don't worry you can change the default location for installing program so that you don't have to browse every time. For this you have to change registry setting.

Click Start Run type regedit 

and press enter.

Expand the following key

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion

Look for the value named ProgramFilesDir. 

By default, 

the value will be C:\Program Files. Edit the value to any valid drive or folder; 

XP will use that new location as the default installation directory for new programs.

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Enable registry when it is disable by Virus

Most of the virus disable regisry and task manager so that they could not be deleted by manually. To enable registry you have change some registry setting but registry is too disabled. So you could not enable the task manager and could not end process of virus. So you have to enable registry to do that.

to enable registry do the following

1) type gpedit.msc in Run box.

2) Click on Administrative Templates

3) Click the System and locate the Prevent access to registry editing tools and double click on it.

4) Select the enabled on the optionbutton the click apply.

This will enable registry.

Note: This tutorial is based on that you have removed the virus by a good antivirus.After removing virus you have still above problems so here is the tutorial.

Your valuable comments are appreciated.

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Password Protection for Windows Password

With Following steps your windows password would not be cracked with any password cracking tools which are mostly used to crack windows passwords.

So let's start:

Step 1. Goto Start>Run.

Step 2. Type syskey.exe and then click Ok.

Step 3. A dialog box is open then Click on Update.

Step 4. Then enter your password.Then click OK.
Now its done......

Stay Safe

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How to Find Your Computer IP Address in Windows XP and Vista

There are many reasons why you would want to find your computer IP address.some reasons might include, Internet connection problems, setting up a new home network, sharing files over a home network, and so on.

Every device connected to the public Internet is assigned a unique number known as an Internet Protocol (IP) address. IP addresses consist of four numbers separated by periods (also called a ‘dotted-quad’) and look something like 127.0.0.1. Go here for your public Internet IP address lookup.

However sometimes you need to find your computers IP address on your home network. Now days computer networking is very common in the average household and not just used in the office or business work environments. In fact many home computer networks have already upgraded to a wireless setup. If you ever need to change your ip address because of a conflict on your network here’s how…

 

Here are two ways to find your computer IP address:

First Way

1. If you have an Internet connection icon in the bottom right corner of the taskbar, you can double click this to open it.
2. Then choose the support tab at the top.
3. Your IP Address will be there.

Second way

1. Go to The Start Menu, then choose to open control panel.
2. Choose Network connections. (Choose Wireless Network for Wireless setups)
3. Right click on your internet connection icon and choose properties.

1. While you are there you should tick the box Show icon in notification area when connected.
2. Then from the list choose Internet Protocol (TCP/IP)

This is my Internet Protocol Properties box. I have chosen to Set my IP address to 10.0.0.1 and the default gateway is my modem IP address.

How to find your IP address for your computer in Windows Vista?

1. If you have a network icon in the notification area in the right hand corner of your taskbar then you can click on it.
2. This small box will appear. (below) Click on Network and sharing center link.

Notes on how to find your computer IP address

• See how to change your IP address
• Your Ip address can also have 192.168.0.1. It just depends on how your Home Network is configured.
• If You have the button checked that says to obtain an address automatically you can view your ip address by clicking on the internet connection icon in the right corner. Go to the support tab. Then you can find your computer IP address.

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How to Find Your Computer Name and Change it

There will be times when you need to know your computers name. This is not the same as your computer username. You might use your computer name to share files and printers on your home network and sometimes the default computer name is just too difficult to remember. This is the number one reason for changing your computer name. If you are using the computer name to setup a shared printer you will need to rename your computer something easy. You do not want a string of numbers and letters.

How to find your computer name and change it?

1. Press the Windows key and the Pause Break button at the same time. How easy is that? Applies to Windows Xp and Vista.
2. Or go to Start menu>control panel>system (For Vista you can get more details by clicking on the items in the left bar menu.)
3. Or go to the Start Menu and right-click on My Computer and select Properties (For Vista its not my Computer but just computer)

To get a similar dialog box, as above, to appear in Vista you need to look a bit further. When you open system properties as in the steps above, you also need to click on a menu item in the left panel. For example, you can click on Advanced Options. This will bring up a dialog box like the Windows XP one.

You can also see your computer name  in System properties as the arrow shows below. And here you can click on change settings to change your computer name.

Where is the name of your computer?

1. Choose computer name from the tab
2. And there it is in small writing…If it is a difficult or overly long name click on change. Change your computer name to something easy. Mine is called ‘server’ See screenshot below.

Can I change the computer name and still keep all of my files?

Changing your computer name will not effect your files on your computer. The will stay where they are, untouched and safe. Changing the name of your computer may effect your network settings. For example if you are sharing a printer and the path to the printer is rizviprinter and you change rizvi to saboo it will not find the printer.

Notes:

• Windows Vista displays the computer name on the first page of the system properties.
• When networking or sharing files you can either use your computer IP Address or your computer name.
• All computers on the Network should have different names and IP address’s to avoid conflicts.

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To find your mac address in Windows XP

Your computers Mac address or physical address can be used as a part of your wireless network security. If you have this security enabled, your router will only let the computers into the network with the corresponding mac address .

To find your mac address in Windows XP there are two ways

The first way to find your mac address

1. Double click on the internet icon (near the time) in your system tray.
2. Choose the support tab
3. Then choose details.
4. It will be labelled the physical address.
5. It will look like this 00-D8-85-F8-D5-52 with 12 numbers.

You can also

1. Open a run command box. Startmenu>run
2. Type in cmd /k ipconfig /all
3. Once again it will be labelled physical address

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