http://msmvps.com/blogs/laflour/pages/net-tips-workflow.aspxback to content INFO: Existed v1 version doesn't support de-serialization of activities which were added dynamically to the existed static activity. >> All actions in WF go through a queue and waits for the background thread to dequeue it andenCommunityServer 2008.5 SP2 (Build: 40407.4157)