1. Domain rename is not possible in windows 2000
2.In w 2003 server inbuilt firewall is there.
3. windows 2k - IIS 5 and windows 2k3 - II6
4.Windows 2k - IE 5 and Windows 2k3 - IE6
5. Terminal service are enhanced in win2k3
6.Windows 2k doesn't have 64 bit version
7. DNS Stub zone has introduced in win2k3.
8. Shadow copying has introduced.
9. Schema version has changed from ver.13 to ver.30.
10.Win2000 Supports 4-node clustering and 2003 supports 8-node clustering.
11Win 2003 has High HCL Support (Hardware Compatibility List) issued by Microsoft.
12.Code name of 2000 is Win NT 5.0 and Code name of 2003 is Win NT 5.1
13.In 2000 we can create 1 million users and in 2003 we can create 1 billion users.
14.Win2003 has Improved Print management compared to 2000 server.
15.Win2003 has telnet sessions available.
16.Win2000 supports IPV4 whereas 2003 supports IPV4 and IPV6.
17In Win 2000 server we can apply 620 group policies but in 2003 we can apply nearly 720 so Win2003 server is more secure than win 2000 server.
18.Win2000 doesn’t support Dot net whereas 2003 Supports Microsoft .NET 2.0
19.In 2000 it supports of 8 processors and 64 GB RAM (In 2000 Advance Server) whereas in 2003 supports up to 64 processors and max of 512GB RAM.
20.Win2000 has Server and Advance Server editions whereas 2003 has Standard, Enterprise, Datacenter and Web server Editions.
21.Win2000 has basic concept of DFS (Distributed File systems) with defined oots whereas 2003 has Enhanced DFS support with multiple roots.
22.In 2000 there is complexality in administering Complex networks whereas 2003 is easy administration in all & Complex networks.
23.In 2003 we have concept of Volume shadow copy service which is used to create hard disk snap shot which is used in Disaster recovery and 2000 doesn’t have this service.
24.In 2000 we don’t have end user policy management, whereas in 2003 we have a End user policy management which is done in GPMC (Group policy management console).
25In 2000 we have cross domain trust relation ship and 2003 we have Cross forest trust relationship.
26.2003 has service called ADFS (Active Directory Federation Services) which is used to communicate between branches with safe authentication.
27.In 2003 their is improved storage management using service File Server Resource Manager (FSRM).
28.2003 has service called Windows Share point Services (It is an integrated portfolio of
collaboration and communication services designed to connect people, information, processes, and systems both within and beyond the organizational firewall).
29.When installing terminal services for win2000 u r prompted to select application server functions or administrative functions sets can be installed sequently on one server but it performs only one function at one time. But in 2003 still distinguishes between application and administrative services but installation and management are now consolidated.
Win2000 ADS :-
1.Only one million object can be created.
2.Universal group membership is not present.
3. Between parent and child, there is no built in trust .It is called as non-transitive trust.
4. There is only three AD partition, Domain partition, configuration partition, schema partition.
5. In Win 2000 server we can apply 620 group policies .
6. but 2k only Emergency Repair Disk(ERD) is there.
Win2003 ADS :-
1.2 Million object can be created .
2.Between parent and child, there is built in trust .It is called as transitive trust.
3. Same partitions are there in 2003, but one additional partition called Application directory partition is present.
4. but in 2003 we can apply nearly 720 so Win2003 server is more secure than win 2000 Server.
5. Automated System Recovery(ASR) is there.
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thanks
thanks showing several diferences