Would you like to learn how to install the Active Directory service and enable the LDAP over SSL feature on a computer runnin Windows server?In this tutorial, we are going to show you how enable the LDAP over SSL feature on a computer running Windows server.
• Windows 2012 R2
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Tutorial – Active Directory Installation on Windows
• IP – 192.168.15.10.
• Operacional System – Windows 2012 R2
• Hostname – TECH-DC01
• Active Directory Domain: TECH.LOCAL
If you already have an Active Directory domain, you may skip this part of the tutorial.
Open the Server Manager application.
Access the Manage menu and click on Add roles and features.
Access the Server role screen, select the Active Directory Domain Service and click on the Next button.
On the following screen, click on the Add features button.
Keep clicking on the Next button until you reach the last screen.
On the confirmation screen, click on the Install button.
Wait the Active directory installation to finish.
Open the Server Manager application.
Click on the yellow flag menu and select the option to promote this server to a domain controller
Select the option to Add a new forest and enter a root domain name.
In our example, we created a new domain named: TECH.LOCAL.
Enter a password to secure the Active Directory restoration.
On the DNS options screen, click on the Next button.
Verify the Netbios name assigned to your domain and click on the Next button.
Click on the Next button.
Review your configuration options and click on the Next button.
On the Prerequisites Check screen, click on the Install button.
Wait the Active Directory Configuration to finish.
After finishing the Active directory installation, the computer will restart automatically
You have finished the Active directory configuration on Windows server.
Tutorial – Testing the LDAP over SSL communication
We need to test if your domain controller is offering the LDAP over SSL service on port 636.
On the domain controller, access the start menu and search for the LDP application.
First, let’s test if your domain controller is offering the LDAP service on port 389.
Access the Connection menu and select the Connect option.
Try to connect to the localhost using the TCP port 389.
You should be able to connect to the LDAP service on the localhost port 389.
Now, we need to test if your domain controller is offering the LDAP over SSL service on port 636.
Open a new LDP application Window and try to connect to the localhost using the TCP port 636.
Select the SSL checkbox and click on the Ok button.
If the system displays an error message, your domain controller is not offering the LDAPS service yet.
To solve this, we are going to install a Windows Certification authority on the next part of this tutorial.
If you were able to successfully connect to the localhost on port 636 using SSL encryption, you may skip the next part of this tutorial.
Tutorial – Certification Authority Installation on Windows
We need to install the Windows certification authority service.
The local certification authority will provide the domain controller with a certificate that will allow the LDAPS service to operate on the TCP port 636.
Open the Server Manager application.
Access the Manage menu and click on Add roles and features.
Access the Server role screen, select the Active Directory Certificate Services and click on the Next button.
On the following screen, click on the Add features button.
Keep clicking on the Next button until you reach the role service screen.
Enable the option named Certification Authority and click on the Next button.
On the confirmation screen, click on the Install button.
Wait the Certification Authority installation to finish.
Open the Server Manager application.
Click on the yellow flag menu and select the option: Configure Active Directory Certificate Services
On the credentials screen, click on the Next button.
Select the Certification Authority option and click on the Next button.
Select the Enterprise CA option and click on the Next button.
Select the Create a new private key option and click on the Next button.
Keep the default cryptography configuration and click on the Next button.
Set a common name to the Certification authority and click on the Next button.
In our example, we set the common name: TECH-CA
Set the Windows Certification authority validity period.
Keep the default Windows Certification authority database location.
Verify the summary and click on the Configure button.
Wait for the Windows server certification authority installation to finish.
After finishing the certification authority installation, reboot your computer.
You have finished the Windows Certification authority installation.
Tutorial – Testing the LDAP over SSL Communication Again
We need to test if your domain controller is offering the LDAP over SSL service on port 636.
After finishing the Certification authority installation, wait 5 minutes and restart your domain controller.
During boot time, your domain controller will automatically request a server certificate from the local certification authority.
After getting the server certificate, your domain controller will start offering the LDAP service over SSL on the 636 port.
On the domain controller, access the start menu and search for the LDP application.
Access the Connection menu and select the Connect option.
Try to connect to the localhost using the TCP port 636.
Select the SSL checkbox and click on the Ok button.
Try to connect to the localhost using the TCP port 636.
Select the SSL checkbox and click on the Ok button.
This time, you should be able to connect to the LDAP service on the localhost port 636.
If you are not able to connect to port 636, reboot the computer again and wait 5 minutes more.
It may take sometime before your domain controller receives the certificate requested from the Certification Authority.
