Mainstream support for Windows 2000 family of products will officially end June 30, 2005. Microsoft’s standard policy is to provide Mainstream Support for 5 years after a product was released, and after that you get 5 years of Extended Support, if you are willing to pay for it. No further service packs will be released for W2K after June 3oth this year.
Look at the below table to understand the different support options:
| Support provided | Mainstream support phase | Extended support phase |
| Paid support (per-incident, per hour, and others) | X | X |
| Security update support | X | X |
| Non-security hotfix support | X | Requires extended hotfix agreement, purchased within 90 days of mainstream support ending. |
| No-charge incident support | X | |
| Warranty claims | X | |
| Design changes and feature requests | X | |
| Product-specific information that is available by using the online Microsoft Knowledge Base | X | X |
| Product-specific information that is available by using the Support site at Microsoft Help and Support to find answers to technical questions | X | X |
To read more about the MS product support at Microsoft Support Lifecycle Policy FAQ
The following table shows the windows 2000 product family lifecycle dates.
| Product Name | General Availability Date | Mainstream Support Retired | Extended Support Retired |
| Windows 2000 Advanced Server | 31-Mar-2000 | 30-Jun-2005 | 30-Jun-2010 |
| Windows 2000 Data Center Server | 13-Nov-2000 | 30-Jun-2005 | 30-Jun-2010 |
| Microsoft Windows 2000 Professional | 31-Mar-2000 | 30-Jun-2005 | 30-Jun-2010 |
| Windows 2000 Server | 31-Mar-2000 | 30-Jun-2005 | 30-Jun-2010 |
Also have a look at the Product Lifecycle Dates - Windows Product Family