thanks for the quick reply here is my log entry
Note: the entry "nepoznati korisnik" means unknown user.
log file:
COMMAND: zmlocalconfig -s | sed -e "s/ = \(.*\)/=\'\1\'/" > /opt/zimbra/.saveconfig/config.save
Unknown id: zimbra
COMMAND: zmcontrol shutdown
Unknown id: zimbra
Selecting previously deselected package zimbra-core.
(Reading database ... 73288 files and directories currently installed.)
Unpacking zimbra-core (from .../zimbra-core_5.0.11_GA_2695.DEBIAN4.0_i386.deb) ...
useradd: error not unique group names in group file
Setting up zimbra-core (5.0.11_GA_2695.DEBIAN4.0) ...
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: missing operand after `root:root'
Pokušaj `chown --help' za više informacija.
chown: missing operand after `zimbra:zimbra'
Pokušaj `chown --help' za više informacija.
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: missing operand after `root:root'
Pokušaj `chown --help' za više informacija.
chown: missing operand after `root:root'
Pokušaj `chown --help' za više informacija.
chown: `zimbra:zimbra': neispravni korisnik
chown: `zimbra:zimbra': neispravni korisnik
chown: cannot access `/opt/zimbra/amavisd/sbin': No such file or directory
chown: `zimbra:zimbra': neispravni korisnik
chown: `root

ostfix': neispravna grupa
chmod: cannot access `/opt/zimbra/postfix/conf/postfix-script': No such file or directory
chmod: cannot access `/opt/zimbra/postfix/conf/post-install': No such file or directory
chown: `postfix

ostfix': neispravna grupa
chgrp: neispravna grupa `postfix'
Loading classes to share ... done.
Rewriting and unlinking classes ... done.
Calculating hash values for String objects .. done.
Calculating fingerprints ... done.
Removing unshareable information ... done.
Moving most read-only objects to shared space at 0x90980000 ... done.
Moving common symbols to shared space at 0x90cfd938 ... done.
Moving remaining symbols to shared space at 0x90e2aa68 ... done.
Moving string char arrays to shared space at 0x90e2b4f8 ... done.
Moving additional symbols to shared space at 0x90eae070 ... done.
Read-only space ends at 0x90f02e10, 5778960 bytes.
Moving read-write objects to shared space at 0x91180000 ... done.
Moving String objects to shared space at 0x91710e40 ... done.
Read-write space ends at 0x91751640, 6100544 bytes.
Updating references to shared objects ... done.
(Reading database ... 79877 files and directories currently installed.)
Unpacking zimbra-ldap (from .../zimbra-ldap_5.0.11_GA_2695.DEBIAN4.0_i386.deb) ...
Usage: useradd [options] LOGIN
Options:
-b, --base-dir BASE_DIR base directory for the new user account
home directory
-c, --comment COMMENT set the GECOS field for the new user account
-d, --home-dir HOME_DIR home directory for the new user account
-D, --defaults print or save modified default useradd
configuration
-e, --expiredate EXPIRE_DATE set account expiration date to EXPIRE_DATE
-f, --inactive INACTIVE set password inactive after expiration
to INACTIVE
-g, --gid GROUP force use GROUP for the new user account
-G, --groups GROUPS list of supplementary groups for the new
user account
-h, --help display this help message and exit
-k, --skel SKEL_DIR specify an alternative skel directory
-K, --key KEY=VALUE overrides /etc/login.defs defaults
-m, --create-home create home directory for the new user
account
-o, --non-unique allow create user with duplicate
(non-unique) UID
-p, --password PASSWORD use encrypted password for the new user
account
-r, --system create a system account
-s, --shell SHELL the login shell for the new user account
-u, --uid UID force use the UID for the new user account
dpkg: error processing ./packages/zimbra-ldap_5.0.11_GA_2695.DEBIAN4.0_i386.deb (--install):
subprocess pre-installation script returned error exit status 2
Errors were encountered while processing:
./packages/zimbra-ldap_5.0.11_GA_2695.DEBIAN4.0_i386.deb
thanks in advance ...