To create the VCS SQL Server service group on the primary site, follow the instructions in the SQL Server solutions guide, as follows:
Symantec Storage Foundation and High Availability Solutions HA and Disaster Recovery Solutions Guide for Microsoft SQL 2008 and 2008 R2
Symantec Storage Foundation and High Availability Solutions HA and Disaster Recovery Solutions Guide for Microsoft SQL 2012
After creating the SQL Server service group, you edit the default configuration of the service group to automate updating the Network Load Balancing (NLB) details when you switch between sites.
The following provide additional details:
Edit the service group to change the attribute settings of the VCS Lanman agent resource.
Optionally, depending on your environment, edit the service group to add a process resource that implements a VCS script to update the NLB details of the SharePoint farm. You must customize the script configuration settings file separately for each site.