http://www.ca.com/us/support/ca-support-online/product-content/knowledgebase-articles/tec1859517.aspx
Windows:
1. Stop CA SystemEdge Service (From services.msc or net stop SysEDGE)
2. Delete port# folder from one of the following locations:
W2k3
C:\Documents and Settings\All Users\Application Data\CA\SystemEDGE\port#
W2k8\12
C:\Users\Public\CA\SystemEDGE\port#
3. Edit X:\Program Files\CA\SystemEDGE\config\sysedge.cf by changing default_port value to the new desired port#.
Example:
default_port 1691
4. Start SystemEdge
5. New folder will be created with Port# folder that reflects new listening port.
W2k3
C:\Documents and Settings\All Users\Application Data\CA\SystemEDGE\port#
W2k8\12
C:\Users\Public\CA\SystemEDGE\port#
Unix:
1. Stop CA SystemEdge (/opt/CA/SystemEDGE/bin - ./sysedgectl stop)
2. Delete port# folder from /opt/CA/SystemEDGE/config/port#
3. Edit /opt/CA/SystemEDGE/config/sysedge.cf by changing default_port value to the new desired port#.
Example:
default_port 1691
4. Start SystemEdge (/opt/CA/SystemEDGE/bin - ./sysedgectl start).
5. New folder will be created with Port# folder that reflects new listening port.
/opt/CA/SystemEDGE/config/port#