I'm install zimbra network edition and try to enamble mobile sync but missing mobile tab. I checked zimlets and all seems to be correct. Some outputs from console:

zmzimletctl listZimlets
Installed Zimlet files on this host:
com_zimbra_adminversioncheck
com_zimbra_backuprestore
com_zimbra_bulkprovision
com_zimbra_cert_manager
com_zimbra_convertd
com_zimbra_date
com_zimbra_delegatedadmin
com_zimbra_dnd
com_zimbra_email
com_zimbra_hsm
com_zimbra_license
com_zimbra_mobilesync
com_zimbra_phone
com_zimbra_url
com_zimbra_xmbxsearch
com_zimbra_ymemoticons
Installed Zimlets in LDAP:
com_zimbra_date
com_zimbra_dnd
com_zimbra_email
com_zimbra_phone
com_zimbra_url
com_zimbra_ymemoticons
Available Zimlets in COS:
default:
com_zimbra_date
com_zimbra_dnd
com_zimbra_email
com_zimbra_phone
com_zimbra_url
com_zimbra_ymemoticons


zmcontrol -v


Release 6.0.8_GA_2661.UBUNTU8_64 UBUNTU8_64 NETWORK edition.


zmlicense -p
AccountsLimit=50
ValidFrom=20100924170000Z
HierarchicalStorageManagementEnabled=true
MobileSyncAccountsLimit=50
BackupEnabled=true
CrossMailboxSearchEnabled=true
ISyncAccountsLimit=50
InstallType=trial
IssuedToEmail=serhii.martynenko@gmail.com
MobileSyncEnabled=true
ValidUntil=20101126090000Z
IssuedToName=Park Code LLC
LicenseId=8db79531-2d6c-4753-b635-eb6d6e752e36
ResellerName=
MAPIConnectorAccountsLimit=50
AttachmentConversionEnabled=true
IssuedOn=20100926034754Z

But mobile tab not shown at all.
I am hoping for help on any and all of these issues because I am have no idea what to do with it.