Friday 5 August 2016

How To Verify the Installation of ADS and How to Remove ADS

In our last article we have configured ADS. In this tutorial I will guide you how to check ads installation. ADS installation can be verify from three methods.
  • My computer properties
  • Login screen
  • Administrator tools

My computer properties

To check wheatear ADS is installed or not on server, right click on my computer and select properties, now select computer name tab.
If you see here workgroup options means ADS is not configured
If you see here Domain options means ADS is configured
In image below you can see the Domain name mean ADS is configured on this server
My computer properties

Login screen

Server is domain controller or not it can be verify on Login screen also.
If you see logon to: option on login screen mean ADS is configured on this server
Login screen of server 2003

Administrator tools

Most reliable testing of ADS is checking in administrator tools. If you see all three options listed below in administrator tools means ADS is properly configured and functioning.
  1. Active Directory Domains and Trusts
  2. Active Directory Sites and Services
  3. Active Directory Users and Computers
ads options in administrator tools

Removing of ADS

We have tested ADS installation now we would remove ADS so you can learn how to remove ADS.
  • From configure your server wizard
  • From manage your server wizard
  • From DCPROMO.EXE
Choose any option it would launch same wizard for removing ADS.
To choose configure your server wizard click on start select administrator tools and click on configure your server. This will launch configure your server window. Same windows can be access by clicking on start button and select Manage your server.
Click on Add / remove a role
managae your server
Select Domain controller from list and click on next that will launch ADS remove wizard.
Same wizard can be directly access by running DCPROMO commands in run menu
dcpromo commands
Click on next to welcome screen
remove ads welcome screen
A warning message will appear as this domain controller is the global catalog server click on ok
Remove ADS wizard message
Check mark on the box of This server is the last domain controller in the domain
place tick mark on this server is the last domain
Now ADS will remove all DNS information store for this domain Click on next
remove dns information
Wizard will finally confirm you to delete all partitions. Tick mark on Delete all application directory partitions on this domain controller.
remove all partitions ads
Now set administrator password to login after the removal of ADS
set administrator password
Review all the option you have selected and click on next to remove ADS
review the summary
Now wizard will start removing ADS it will take few minutes
remvoing ADS
Click on finish button to complete the wizard
finish the wizard
A system reboot will require to take place click on restart now
restart message

Removing ADS form registry

Always use configuration wizard to remove ADS. Use registry method only when configuration wizard fail to remove ADS.
To remove ADS form registry run regedit command in run box
regedit
Locate this key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ProductOptions
locate reg key
In left pane double click on productType
productoptions
Replace the default LanmanNT to ServerNT and exit from registry
ServerNT
A system reboot will require to take place Restart the system
After restart you will see logon to: option on login screen its normal just select local computer and login. You can reconfigure ADS after login in local computer.
login screen
After login you can configure ADS form any of one method we have discussed in our previous article.

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