I have done clean install of 8.0.1, and trying to migrate emails from Gmail with imapsync.

I have only one imapsync instance, running on the same Zimbra server, but every time after a random time, Zimbra disconnects my Imap session:
mailbox.log
Code:
2012-12-15 21:03:20,895 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42805).
2012-12-15 21:03:20,897 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42806).
2012-12-15 21:03:20,899 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42807).
2012-12-15 21:03:20,900 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] mailop - Deleting Message (id=42809).
2012-12-15 21:03:21,409 WARN  [ImapSSLServer-2] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
2012-12-15 21:03:21,409 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;mid=20;ip=IPADDRESS;] imap - dropping connection for user arnis@mydomain.com (server-initiated)
2012-12-15 21:03:21,611 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - user arnis@mydomain.com authenticated, mechanism=LOGIN [TLS]
2012-12-15 21:03:21,613 WARN  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
2012-12-15 21:03:21,613 INFO  [ImapSSLServer-2] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - dropping connection for user arnis@mydomain.com (server-initiated)
2012-12-15 21:03:21,747 INFO  [ImapSSLServer-1] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - user arnis@mydomain.com authenticated, mechanism=LOGIN [TLS]
2012-12-15 21:03:21,749 WARN  [ImapSSLServer-1] [name=arnis@mydomain.com;ip=IPADDRESS;] imap - too many IMAP requests from account 3310cebd-abb1-4a4e-8f9e-801a707216f3 dropping connection
I have changed settings with:
Code:
sudo -u zimbra /opt/zimbra/bin/zmprov ms zimbra.SERVER.com zimbraImapMaxConnections 900
sudo -u zimbra /opt/zimbra/bin/zmprov ms zimbra.SERVER.COM zimbraImapNumThreads 10000
But nothing has changed.
Gillar from imapsync is sure - imapsync creats only one session during a run.

Similar problem here? http://www.zimbra.com/forums/adminis...-exceeded.html