Your customer reported that the Sync Agent service failed to start after a reinstallation of a Cisco this problem after you review these customer logs?
A. Add "appadmin" application user in Cisco UCM and IM & Presence
B. Add "appadmin" application user in Ciscon IM & Presence
C. Add "appaduser" application user in Cisco UCM
D. Add "appadmin" application user in Cisco UCM
E. Add "appaduser" application user in Cisco UCM and IM & Presence
