For the Novell Kanaka client configuration on a MAC.Do you need to follow the under-mentioned procedure for each MAC ?

The cert.der must now be exported via iManager and copied to the MAC clients :

Import trusted root certificate into MAC's System Keychain > From the MAC, open the keychain access.app, Click on FILE > IMPORT ITEMS Navigate to the location of the exported trusted root certificate file.Select the file and for the DESTINATION KEYCHAIN be sure to select SYSTEM.
Click OPEN, accept the defaults and click Locate the root certificate authority in the SYSTEM KEYCHAIN called "Organizational CA" Ensure that it says "Root certificate authority" and "This certificate is marked as trusted for all users"
Reboot MAC.

https://www.novell.com/support/kb/doc.php?id=7012010