SharePoint 2010 OOB Workflow无法启动?
请检查名为OffWFCommon的feature是否已经被activated.
如果没有, 那么就请运行如下的命令:
stsadm -o activatefeature -url http://sharepointsite -force -name OffWFCommon
参考资料
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Custom workflow does not start. Feature needed.
http://lawo.wordpress.com/2009/06/21/assigned-workflow-does-not-start/