ActiveSync 4.5 Is Out

This morning, ActiveSync 4.5 went out to the Microsoft Downloads page.  Get it here.  The package weighs in at 7.5 MB.  Please note that this is NOT to be used on the Vista platform. 

ActiveSync 4.5 is compatible with the following operating systems and applications:

  • Microsoft® Windows® 2000 Service Pack 4
  • Microsoft® Windows® Server 2003 Service Pack 1
  • Microsoft® Windows® Server 2003 IA64 Edition Service Pack 1
  • Microsoft® Windows® Server 2003 x64 Edition Service Pack 1
  • Microsoft® Windows® XP Professional Service Packs 1 and 2
  • Microsoft® Windows® XP Home Service Packs 1 and 2
  • Microsoft® Windows® XP Tablet PC Edition 2005
  • Microsoft® Windows® XP Media Center Edition 2005
  • Microsoft® Windows® XP Professional x64 Edition
  • Microsoft® Outlook® XP and Microsoft® Outlook® 2003 messaging and collaboration clients
  • Microsoft® Office XP
  • Microsoft® Office 2003
  • Microsoft® Internet Explorer 6.0 or later (required)
  • Microsoft® Systems Management Server 2.0

The following mobile device operating systems are supported by ActiveSync 4.5:

  • Microsoft® Windows Mobile Version 6
  • Microsoft® Windows Embedded CE 6.0
  • Microsoft® Windows Mobile Version 5.0
  • Microsoft® Windows Mobile 2003 Second Edition
  • Microsoft® Windows Mobile 2003
  • Microsoft® Pocket PC 2002, Microsoft® Windows CE OS version 3.0
  • Microsoft® Smartphone 2002, Microsoft® Windows CE OS version 3.0

Please note that if you are upgrading from an earlier version of ActiveSync, you may need to recreate the partnership with your mobile device.

ActiveSync 4.5 does not support Microsoft Outlook 2000. It is highly recommended that you upgrade to Microsoft Outlook 2003 messaging and collaboration client.

Posted on Feb 14 2007, 06:21 AM by Dena
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Comments

  • mark said:

    I have just tried to install ActiveSync 4.5 on Windows Server 2003.  I use Outlook 2003.  It does NOT work on Windows Server 2003.  The error message that occurs when you try to run the ActiveSync troubleshooter is:

    ActiveSync is not compatible with this version of Microsoft Windows. Please upgrade to Windows 2000 SP4 or Windows XP SP1 or later.

    September 11, 2007 10:21 PM
  • Neil said:

    Same error for me as Mark.  I'm running Win 2003 SP2 with Outlook 2003 SP3.  I notice that in the supported OS list Win 2003 SP1 is listed but not SP2.  Is that because the list was published before SP2 came out and they haven't updated it or is compatible with SP1 but not 2?

    I want to sync on server because it is switched on all the time so it is quicker than booting laptop into Vista (which works fine with Mobile Centre 6.1 albeit slow).

    October 10, 2007 5:57 AM
  • Jonathan said:

    Hi,

       I'm running 2k server which isn't on the list, but bizarelly it worked fine for 2 weeks and now complains it is not compatible. Any ideas?

    February 29, 2008 1:03 PM
  • Manuel said:

    Running Active Sync 4.5.0 (B5096) with Win XP SP2 and Office 2003.  Worked fine until I installed WinXP SP3 and Office-03 SP3.  

    Things seemed to break when Office2003 SP3 was installed.

    Is there a compability issue?  Appreciate any inputs.  Thanks in advance.

    May 27, 2008 1:06 PM

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