Im currently using Quickbooks Premier 2011 and my computer is getting slower as i use it and im planning to switch to Enterprise Solutions 11. What are the system requirements of Enterprise Solutions 11?

System requirements for QuickBooks 2011 include the following:

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.

• 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.