I have an account that will sync when we first set up the account but after a day or so the calender will stop syncing either way. The user is using his phone to put appointments on his calender a lot. I see no activity in the logs when he creates a appt. when he receives one it gets an error.

2011-06-20 15:19:16.606 ERROR [Thread-44] [sendMail:632] [userID:cn=*************************] [eventID:] [objectID:] [Mail] Cannot get itemId for destination connector

But e-mail works both ways just fine.

phone is a Samsung Galaxy S from Sprint running the latest from Sprint android 2.2.1

Mobility is running build 428