ZCS Multi-Server Installation Guide, Network Edition 5.0 (Rev 5.0.19 September 2009)
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System Requirements for Zimbra Collaboration Suite 5.0 (Latest Version)

System Requirements for Zimbra Collaboration Suite 5.0
(Latest Version)
Zimbra Collaboration Suite system requirements for both the Network Edition and the Open Source Edition.
 
Intel/AMD CPU 32-bit 2.0 GHZ+.
For large deployments (more than 2000 users), 64-bit OS is recommended.
Minimum - 2 GB RAM
Recommend - 4 GB
10 GB free disk space for software and logs (SATA or SCSI for performance, and RAID/Mirroring for redundancy)
*Temp files space- The zimbra-store requires 5GB for /opt/zimbra, plus additional space for mail storage. The other nodes require 100MB.
Firewall Configuration should be set to “No firewall”, and the Security Enhanced Linux (SELinux) should be disabled
Minimum - 2 GB RAM
Recommend - 4 GB
*There are known issues using ZCS on Macs with the Intel Core Duo. See the Release Note.
Red Hat® Enterprise Linux®, AS/ES 4 and Red Hat® Enterprise Linux®, AS/ES5.
(32-bit, 64-bit)
Mac OS® X 10.4.7
Note: Max OS X server installs, the following features are not included: attachment indexing/search, view attachments as HTML, clustering.
SUSE ES 10 and
SUSE ES 10 (64-bit)
Note: SUSE server installs, the following features are not included: clustering
Ubuntu 8.04 (Beta beginning with 5.0.9)
In addition to supporting the operating systems listed above for the Network Edition, other OS versions are available for the Open Source Edition. Check the Zimbra Open Source Downloads page on www.zimbra.com.
For Red Hat Enterprise, Fedora Core and SuSE operating systems, the server must also have the following installed:
NPTL. Native POSIX Thread Library
Sudo. Superuser, required to delegate admins.
libidn. For internationalizing domain names in applications (IDNA)
cURL. A command line tool for transferring files with URL syntax
fetchmail. A remote-mail retrieval and forwarding utility used for on-demand TCIP/IP links.
GMP. GNU Multiple-Precision Library.
compat-libstdc ++-33. Compatibility Standard C++ libraries.
NOTE: The 32-bit version of the compat-libstdc rpm package is required for both 32-bit or 64-bit servers.
For Red Hat Enterprise only: compat-libstdc ++-296
SSH client software to transfer and install the Zimbra Collaboration Suite software.
Servers should be configured to run Network Time Protocol (NTP) on a scheduled basis
*These OS configurations have been tested and are known to work. Other configurations may work.
Windows XP with either Internet Explorer 7.0 and 6.0 SP2 or Firefox 2.0 and 3.0
End User Computers using
Zimbra Web Client
*These OS configurations have been tested and are known to work. Other configurations may work.
Windows XP with either Internet Explorer 7 and 6.0 SP 2 or Firefox 2.0 and 3.0
Mac OS X 10.4 with Firefox 2.0 and 3.0 or Safari 3 (Note: Safari 2 is only supported for the Standard Zimbra Web Client.)
Note: Firefox 3.0 and Safari 3 are supported beginning with 5.0.9
**Recommendation - If users are presently using IE 6, Zimbra strongly recommends that they upgrade to the latest version of Internet Explorer for optimal performance with ZWC.
End User Computers
Using Other Clients
*These OS configurations have been tested and are known to work. Other configurations may work.
Windows XP with either Outlook Express 6, Outlook 2003, (MAPI), Thunderbird
Zimbra recommends that customers requiring use of screen readers for accessibility leverage the use of the Standard Zimbra Web Client (HTML).
Zimbra continues to invest in improving the accessibility of this interface. The latest updates can be found at http://bugzilla.zimbra.com/show_bug.cgi?id=28516
 
 
Zimbra Mobile provides mobile data access to email, calendar, and contacts for users of selected mobile phones.
Zimbra™ Mobile Connector for BlackBerry® Enterprise Server Small Business Edition is a plug-in that enables synchronization of mail, address books (including GAL), calendars, and tasks between ZCS and a BlackBerry Enterprise Server (BES) for Microsoft® Exchange, using MAPI..
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Zimbra and the Zimbra logos are registered trademarks of Zimbra, Inc. All other trademarks are property of their respective owners.
Copyright 2009 Zimbra, Inc.
 
ZCS 5.0 December 2007
Rev 4 -- 5.0.18 - 8122009

System Requirements for Zimbra Collaboration Suite 5.0 (Latest Version)

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ZCS Multi-Server Installation Guide, Network Edition 5.0 (Rev 5.0.19 September 2009)
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