Thanks you for reply. My ics file has changed to following but I still see no even for "wsanchez"
My server url is : localhost:8008. To invite 'wsanchez' do I need to set invitee as wsancez@localhost:8008 or something??
I also see following in server logs
2014-11-11 13:22:23-0800 [-] [caldav-1] [-] [txdav.caldav.datastore.scheduling.implicit#info] Implicit REQUEST - organizer: 'urn:uuid:admin' to attendee: 'invalid:nomail', UID: '96AD2B3E-7777-460F-9477-412B5FE23121'
2014-11-11 13:22:23-0800 [-] [caldav-1] [PooledMemCacheProtocol,client] [txdav.caldav.datastore.scheduling.caldav.scheduler#error] Unknown calendar user address: invalid:nomail
2014-11-11 13:22:23-0800 [-] [caldav-1] [PooledMemCacheProtocol,client] [txdav.caldav.datastore.scheduling.scheduler#info] METHOD: REQUEST, Component: VEVENT
2014-11-11 13:22:23-0800 [-] [caldav-1] [PooledMemCacheProtocol,client] [txdav.caldav.datastore.scheduling.scheduler.ScheduleResponseQueue#error] Error during PUT for invalid:nomail: Unknown recipient
*********************************************ICS file**************************************