# Feature History for SME Cluster Management

Table 1-8 lists the release history for this feature.

Table 1-8 Feature History for SME Cluster Management

Feature Name | Releases | Feature Information
Software change | OL-25317-01 | In Release OL-25317-01, Fabric Manager is changed to DCNM for SAN (DCNM-SAN).
4.1(1c) | In Release 4.1(1b) and later, the MDS SAN-OS software is changed to MDS NX-OS software. The earlier releases are unchanged and all references are retained.
High availability KMC server | 4.1(3) | High availability KMC can be configured by using a primary and secondary servers. In 4.1(3), HA settings are available on the Key Manager Settings page. The primary and secondary servers can be chosen during cluster creation. The primary and secondary server settings can be modified in the Cluster detail page.
Host names are accepted as server addresses | 4.1(3) | You can enter IP addresses or host names for the servers.
Target-based load balancing | 3.3(1c) | Clustering offers target-based load balancing of SME services.
Transport settings | 3.3(1c) | Allows users to enable or disable transport settings for SME.