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Winiso is app that can create images in iso format 
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You could also use Nero to make an image . . . pretty much any burner software has this functionality. &nbsp;Are you sure the key is correct? &nbsp;Whether it's an ISO or CD if the key isn't correct you will run into the same issue.
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ISO image will not solve your problem,check your serial number &nbsp;license type (Open license or volume license)
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Yes for sure correct key, tried it on reg pc. &nbsp;I think its because im using a trial version of VMware and it wont let me use a install disk?... i was able to convert other powered on machines to vmware. &nbsp;But can fresh install a disk?
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Found the answer somewhere else. &nbsp;But these responsed were great and i awarded the points to this guy because he was first to respond.
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I have a bit of an issue, i have a Regular copy of Windows Server 2003 (not OEM) and i cant get it to run in VMware. &nbsp;When i get to install point where i put in serial it says invalid serial number. &nbsp; Is there a way to create an .iso file from the server 2003 disk that i can use for virtual testing?
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I have a bit of an issue, i have a Regular copy of Windows Server 2003 (not OEM) and i cant get it to run in VMware.  When i get to install point where i put in serial it says invalid serial number.   Is there a way to create an .iso file from the server 2003 disk that i can use for virtual testing?

Winiso is app that can create images in iso format 

You could also use Nero to make an image . . . pretty much any burner software has this functionality.  Are you sure the key is correct?  Whether it&#39;s an ISO or CD if the key isn&#39;t correct you will run into the same issue.

ISO image will not solve your problem,check your serial number  license type (Open license or volume license)

Yes for sure correct key, tried it on reg pc.  I think its because im using a trial version of VMware and it wont let me use a install disk?... i was able to convert other powered on machines to vmware.  But can fresh install a disk?

Found the answer somewhere else.  But these responsed were great and i awarded the points to this guy because he was first to respond.

Burning ISO file from windows install disk

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.

VMware

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.