While upgrading cdm to version 5.70 or higher, due to the dependency with the vs2010sp1_vcredist_x64(x86) package, a server reboot may be experienced.
In order to avoid this behavior, a workaround has been provided as a KB:
http://www.ca.com/us/support/ca-support-online/product-content/knowledgebase-articles/tec1664825.aspx