Was the IMAP account created on 1/9/08? If it was created earlier you'd have to check the earlier log archives.
Originally Posted by psgandalf
Search your logs for "Importing data" and make sure you don't see a line like this for your IMAP account:
If not, try updating the polling interval to a new value:
2008-01-09 14:00:22,520 INFO [ScheduledTask-3] [name=xxx;mid=23;ds=Gmail;] datasource - Importing data.
Then check the logs a minute later and see if it started working.
zmprov mds <email@example.com> <IMAP account name> zimbraDataSourcePollingInterval 30s