Reset password of Lost Password Windows Server 2012 / R2

I would like to cover this topic since it is essential and important for the system administrator.

The system administrator should aware that the lost password can be happened at anytime if we manage bulk servers especially the standalone server or non join domain to active directory.

So the step is straight forward and simple.

Step 1: Boot the System using Bootable DVD of Windows Server 2012

Boot the server or your system and insert the Bootable DVD/CD of Windows Server 2012 / R2. Click Next button.

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then, click the ‘Repair your computer’.

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Step 2: Run the Command Prompt from Advanced Option.

At the option menu, click the ‘TroubleShoot’ menu.

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At the Advanced Option, choose Command Prompt.

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At the Command Prompt,

Step 3: Rename and Copy UtilMan.exe

Rename the old utilman.exe to utilman.exe.old

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Copy the utilman.exe by running the command

“Copy cmd.exe utilman.exe”

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after that, close and reboot it.

Step 4: Boot and Press Windows button Keyboard + U at Logon Screen.

While Rebooting the server and let the Windows Logo Appear. After that press the Windows button at your keyboard plus pressing the U.  windowbutton   + U

 

Step 5: Reset the administrator password using Net User Command Prompt.

When you press windows key + U button, the command prompt will be appeared.

then, type the command below

Net User Administrator YourPassw0rd

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Finally,reboot your system and log on using the new password.

Hyper-V Dynamic Memory…

In Windows Server 2012, I find myself cool on this dynamic memory on Hyper-V environment, because I ran my virtual labs everyday.

in each virtual labs, you can configure the dynamic memory according your appropriate host server’s capability. Usually, At startup, Windows requires more memory. Also, some application will requires memory. Even though you set to 1GB memory, but when enabling the dynamic memory will help to stabilize your servers. The screenshot below is just the example of dynamic memory. You could also check the performance at your task manager how the memory plays.

dynamic memory

Fine Grained Password Policy in Windows Server 2012

In Windows Server 2012 standard edition, it is really accommodate to configure the fine grained password policy just using the Active Directory Administrative Center.

 

1. Run the “dsac” or go to administrative tools.

2. On the Graphical Interface, on the left pane, click the tree view, and Expand the tree.

3. Go to System under your domain. In my case, I expand “netoverme” and go to System container.

4. Click on the Password Setting Container.

5. Right-click the Password Setting Container, and choose New and select Password Setting

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6. on the figure below, you will be prompted on different setting such as Password Complexity, Minimum Password Age, etc.

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7. After finish password settings, you will need to link or apply the users or groups you intend to use this password setting such as IT Admin. On Direcly Applies To, click Add button and type user or group that you need to set.

 

Active Directory Recycle Bin in Windows Server 2012 RC

Active Directory Recycle Bin is one of new feature introduced in Windows Server 2008 R2. Now, in Windows Server 2012, it gets more better with a GUI.

You could restore the accidental deleted users or objects easily. It helps to minimize the AD Service downtime. In Windows Server 2003 and Windows Server 2008 AD DS, there are ways to restore deleted objects such as from backup, DSRM via ntdsutil authoritative restore and another third party software i.e ADRestore.

How to perform the Active Directory Recycle Bin?

step1:

The forest functional level of your Active Directory Service should be Windows Server 2008 R2 or above. This can be done on Active Directory Domains and Trusts.

step2:

Enable the AD Recycle Bin by using Windows PowerShell. By default, AD Recycle Bin is disabled.

step3:

try to delete the target user in Active Directory Users and Computers as example below

step 4: Open Active Directory Administrative Center.

step 5: On action pane, double click “Deleted Objects” Container. You will see the list of users that have been deleted.

step 6: To restore the deleted users, right-click the user as example below:

then, select which Organizational Unit you want to place the user and click OK.

To verify the user has been restored, check the user the respective OU that is been selected.