what version of bladelogic are you running (client, appserver, agent on the target) and what OSes ?
I using version
Agent on target NSH 18.104.22.1685
NSH on App server NSH 22.214.171.1245
App Server version 126.96.36.1992
Client on my deskop NSH 188.8.131.522
I would open a support ticket on this to track this down. i do not see any hotfixes that address this specific issue.