Secure Authentication between Zimbra and AD
Secure Authentication between Zimbra and AD (self-signed certificate)
Purpose
How to configure authentication with Active Directory using SSL.
Prerequisite
To have better overview of the authentication with AD and how to configure it, check the following article
Resolution
1. Review the following article to familiarize yourself with the authentication with AD from Zimbra side in AdminUI. The only difference is that in the "Active Directory Settings" , the Use SSL: tick box is selected:
2. After configuring the Domain Authentication with AD in Zimbra, we need to import the Zimbra CA to the DC:
- Use tools such as WinScp to copy the /opt/zimbra/ssl/zimbra/ca/ca.pem file to the DC.
- Copy the ca.pem file and rename it to ca.crt.
To install the certificate authority (CA) on the domain controller: , open the "Microsoft Management Console": 1. Start->Run > Type mmc. This will open the Microsoft Management Console. 2. Click "File" > "Add/Remove Snap-In..." to open the "Add Standalone Snap-in" dialog. 3. From the Available snap-ins on the left, select "Certificates" and press "Add". 4. Select "Computer account" and press "Next". 5. Select "Local computer" and press "Finish" 6. Click "Ok" to close the "Add/Remove Snap-in" dialog.
Once the "Certificates snap-in" is open, expand the "Certificates" node under "Trusted Root Certification Authorities". Right-click on the "Certificates" node, select "All Tasks" -> "Import...", and import the Certificate Authority ("ca.crt") you copied from Zimbra.