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Thank you. Clear and concise.
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I have a network with 2 DC's. <br />
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One DC is server 2003 sp2 and the other is Server 2003 R2. Which is the best form of replication system to use in this situation? <br />
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Should I go out and buy another copy of R2 or can I use the File Replication System from the earlier version to replicate the 2 DC's together RELIABLY. If I have to, I will go out and buy another copy but it just burns me up to have to invest in another full version of the software in order to keep everything on an even keel.
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I have a network with 2 DC's. 

One DC is server 2003 sp2 and the other is Server 2003 R2. Which is the best form of replication system to use in this situation? 

Should I go out and buy another copy of R2 or can I use the File Replication System from the earlier version to replicate the 2 DC's together RELIABLY. If I have to, I will go out and buy another copy but it just burns me up to have to invest in another full version of the software in order to keep everything on an even keel.

FRS vs DFS

A server is a computer program or a machine that waits for requests from other machines or software (clients) and responds to them. This architecture is called the client–server model. The clients may run on the same computer or may connect to the server over a network. The purpose of a server is to share data or hardware and software resources among clients. Typical computing servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.

Server Software

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

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