[Dovecot] 2.1b6 imapc sync error

[Timo Sirainen]

On 15.2.2012, at 21.30, Metro Domain Admin wrote:

> I received this error at the end of a migration from imapc to mdbox. Is
> it because I wanted doveadm 'sync' instead of 'backup'? I didn't get
> time to do any testing, but since you're pushing for the release, here
> it is:
> 
> kerio2:~ adminuser$ /opt/dovecot/bin/doveadm  -o imapc_user=jsample  -o
> imapc_password=******  -o imapc_host=*.*.*.*  sync -R  -u
> jsample_dc at mydomain.com  imapc:/tmp/imapc
> dsync(jsample_dc at mydomain.com): Error: Can't update mailbox
> Archives/2011: Not supported

Yes, it's because of "sync". The "Not supported" comes from imapc backend, because Dovecot tried to do some changes to it that weren't possible with IMAP protocol (modseq changes probably). I think the migration still was successful though.