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Thanks for your input. &nbsp;I've used some of these tools in the past. &nbsp; Was also looking for Microsoft support type experience with moving from Exchange 2003 to Exchange 2010
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Thanks for your input.  I've used some of these tools in the past.   Was also looking for Microsoft support type experience with moving from Exchange 2003 to Exchange 2010

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I do not use either so could not help you. &nbsp; I use Postfix. It is <br />
simple to use, runs on Linux and costs nothing.
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I do not use either so could not help you.   I use Postfix. It is
simple to use, runs on Linux and costs nothing.

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After migrating Exchange to a VMware drive, the &nbsp;client lost their Exchange 2003 install key, and they need to make some changes. &nbsp; The screen continues to prompt to &quot;validate&quot;, and when they select, remind me later, it locks the screen.<br />
<br />
They's like to upgrade to Exchange 2010. &nbsp; What is their upgrade path options?
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After migrating Exchange to a VMware drive, the  client lost their Exchange 2003 install key, and they need to make some changes.   The screen continues to prompt to "validate", and when they select, remind me later, it locks the screen.

They's like to upgrade to Exchange 2010.   What is their upgrade path options?

Exchange 2003 Lost Install key want to upgrade to Exchange 2010

Microsoft server applications are those applications developed specifically, but not necessarily exclusively, on the Windows Server platform. In addition to well-known products like SQL Server, Exchange, Internet Information Services (IIS), Microsoft Dynamics, Forefront, Lync and Sharepoint, they include applications like Skype, BizTalk, Hyper-V, Groove and Commerce Server. Server applications are managed with the Microsoft System Center.

Microsoft Server Apps

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

Microsoft applications include a variety of software programs, including development and digital authoring programs (Expression and Media Center), educational programs, Internet software, including Essentials, Skype and the Live family, anti-virus, productivity applications and suites like Office, Excel, Word, Outlook, Access and PowerPoint, video games and server applications such as Exchange, SharePoint, IIS and Virtual Server.