If you have multiple LDAP servers for access to your user source (directory), you can configure your ZENworks Servers to recognize each of the LDAP servers. This provides both load balancing and fault tolerance.
For example, if you have multiple ZENworks Servers, you can configure each one to access the user source through a different LDAP server. This distributes the workload more evenly among the LDAP servers.
Likewise, for each ZENworks Server, you can list multiple LDAP servers through which it can connect to the user source. If one of the LDAP servers becomes unavailable, the ZENworks Server uses another LDAP server.
In versions prior to ZENworks 11 SP3, you need to specify the additional LDAP servers for a ZENworks Server in the alt-servers.properties configuration file located in the following directory on the ZENworks Server:
Windows: c:\program files\novell\zenworks\conf\datamodel\authsource
However, starting with ZENworks 11 SP3, you can specify additional LDAP servers by using ZENworks Control Center or the zman command line utility.