Beginning in MSS 12.6 SP1, Clustering replaces Replication.
See Clustering in the MSS Administrator Guide.
CAUTION:Before you upgrade and begin to configure Clustering, all servers previously configured for Replication (in MSS versions prior to 12.6 SP1) must be set to Standalone — no Master or Slaves.
To disable Replication on every server configured for replication prior to MSS 12.6 SP 1, begin with the servers. Then, disable Replication on the .
In the MSS Administrative Console, click.
Select theServer Role. Click .
Repeat steps 1 and 2 for all of theservers and then the server.
When all of the servers are set to, upgrade each server.
When all of the servers are upgraded to MSS 12.6 SP1 or higher, configure a cluster of at least three MSS server.
Follow the Clustering steps in the MSS Administrator Guide.