Symantec Endpoint Protection Manager (SEPM) Client Deployment Wizard (CDW) appears to hang at 0% when deploying a Communication Update Package to a large number of targets. The behavior typically reproduces with 30+ target SEP Clients. Deploying to less than 30 SEP Clients is typically successful.
Windows Event Viewer, Application Log
SEPM 14.0 MP2
This issue has been fix and is available in SEP 14 RU1 MP2 version