Quickbooks 2011 System Requirement

System requirements for QuickBooks 2011 and Enterprise Solutions 11.0
Note: QuickBooks has not been tested with Internet Explorer 9. In some cases, it may be necessary to revert to Internet Explorer 8 to ensure the best possible performance with QuickBooks.

System requirements for QuickBooks 2011 include the following:

Operating systems supported
QuickBooks Pro or Premier hardware and operating system requirements
QuickBooks Enterprise Solutions hardware and operating system requirements
RAM requirements for Microsoft Terminal Services
Software compatibility
Firewall and antivirus software compatibility


Operating systems supported

QuickBooks Pro or Premier 2011 or QuickBooks Enterprise Solutions 11.0:

Windows 7, all editions including 64-bit, natively installed
Windows Vista (SP2 or later), all editions including 64-bit, natively installed
Windows XP (SP2 or later), all editions including 64-bit, natively installed
Windows Server 2008, Small Business Server 2008, and Windows Server 2003, including 64-bit, natively installed
Database Servers:

Windows: Natively installed Windows 7 or Vista with UAC on, XP (SP2 or later), Windows Server 2008 or 2003, Small Business Server 2008

Note: Windows Home Server Edition is not supported.

Linux: When using an Enterprise Solutions Database Server-only installation: Natively installed OpenSUSE 11.2, Fedora 12, Red Hat Enterprise 5.4.
QuickBooks Pro or Premier hardware and operating system requirements (client and server)

2.0 GHz processor; 2.4 GHz recommended
1 GB RAM for single user, 2 GB RAM recommended for multiple users
2.5 GB of disk space (additional space required for data files)
4x CD-ROM drive required for CD installations
Display optimized for 1024 x 768 screen resolution or higher; 16-bit color or higher
Windows:
U.S. version of only
Regional Settings are supported when set to English (United States) with keyboard setting to U.S. only
Natively installed
Disk space requirements for additional software: 250 MB for Microsoft .NET 3.5 Runtime, provided on the QuickBooks CD
QuickBooks Enterprise Solutions hardware and operating system requirements (client and server)

Client:
2.0 GHz processor, 2.4 GHz recommended
1 GB RAM for single user, 2 GB RAM recommended for multiple users
Server:
2.0 GHz processor (1.2 GHz for Linux), 2.4 GHz recommended (2.0 GHz for Linux)
1 GB RAM, 2 GB RAM recommended - Server
Disk space (client and server): 2.5 GB of disk space (additional space required for data files)
4x CD-ROM drive required for CD installations
Minimum 1024 x 768 screen resolution or higher; 16-bit color or higher
Windows:
U.S. version of Windows only.
Regional Settings are supported when set to English (United States) with keyboard setting to U.S. only
Natively installed
Disk space requirements for additional software: 250 MB for Microsoft .NET 3.5 Runtime, provided on the QuickBooks CD.
Minimum network requirements:
100 Mbps network card
100 Mbps switch or router
40 Mbps network bandwidth
RAM requirements for Microsoft Terminal Services

5 users: 2-3 GB
10 users: 3-4 GB
15 users: 4-6 GB
20 users: 6-8 GB
Software compatibility

QuickBooks is capable of integrating with hundreds of third-party applications. The following integrations are provided with QuickBooks; additional RAM will enhance the use of these features. See Intuit Marketplace for the most up-to-date list.

Microsoft Office:
Preparing letters requires Microsoft Word 2007, 2003, or 2002. Word 2010 is supported only on QuickBooks Pro and QuickBooks Premier non-Accountant editions (Contractor's, Non-Profit, Manufacturing, Wholesale).
Exporting reports requires Microsoft Excel 2007, 2003 or 2002. Excel 2010 is supported only on QuickBooks Pro and QuickBooks Premier non-Accountant editions (Contractor's, Non-Profit, Manufacturing, and Wholesale)
Contact Synchronization with Microsoft Outlook requires Outlook 2007, 2003, or 2002.
Synchronization with Outlook requires QuickBooks Contact Sync for Outlook (the download is available at no charge).
Contact Sync does not work with the Microsoft Business Contact Manager Outlook plug-in. If a sync is performed, duplicate records could result

Note: Microsoft Office 2010 is currently not supported for QuickBooks Premier 2011 Accountant Edition or any QuickBooks Enterprise Solutions 11.0 edition.

QuickBooks Point of Sale v7.0 and later.
Adobe Acrobat Reader: Business Planner functionality and viewing forms requires Adobe Acrobat Reader 5.0 or later.
Payroll and other online features and services requires Internet access with at least a 56 Kbps connection speed (DSL or cable modem recommended).

Note: QuickBooks has not been tested with Internet Explorer 9. In some cases, it may be necessary to revert to Internet Explorer 8 to ensure the best possible performance with QuickBooks.

Firewall and antivirus software compatibility

QuickBooks 2011 has been tested with the following firewall and antivirus products.

Note: In some cases, it may be necessary to adjust settings in these products to ensure the best possible performance with QuickBooks.

Windows 7 Firewall (all editions)
Windows Vista Firewall (all editions)
Windows XP Firewall (all editions)
Symantec Norton AntiVirus, Internet Security, Norton 360
McAfee VirusScan Plus, Internet Security, Total Protection
Trend Micro PC-cillin Internet Security
ZoneAlarm
Note: QuickBooks will work with systems running RAID (Redundant Array of Inexpensive Disks) but this is not recommended because performance issues may cause QuickBooks to operate slowly.