How to configuring Disk Quotas in windows 2003?

1).log on to server with Administrator.
2).Ctrl + R - Type gpedit.msc.
3). In the Group Policy Object Editor- Expand Computer Configuration- Expand Administrative Template-
     Expand System- Click Disk Quotas-(Double Click)Default quota limit and warning level
4).Click enabled radio
5).Default quota limit: value -500 MB(Limit size is depend on you)
6).Default warning level: value- 450 MB(warning limit size is depend on you)
7).After the that Click the (Group Policy tab)- In the right panel select (Disk Quota Policy Processing)
8).Choose Enabled (Remark)Process even if the Group Policy objects have note changed.
9).Click Ok to apply.
10).Go to the command prompt- Type (gpupdate).
11).Click your (My Computer)- select the drive (Right click)Properties- click quota- (Mark)Enable quota management and (Mark) Deny disk space to users exceeding quota limit-(Mark)Log even when a user exceeds their quota limit.
12).Click Quota Entries-Click Quota - Select new quota entry-Select the user you want to assign disk quota.
13).When the user log on to their computer, the map drive is assign disk quota from the server.