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Windows Vista Security: Praxisorientierte Sicherheit für Profis by Marcus Nasarek

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Chapter 18: Managing User Accounts and Parental Controls
Renaming Local User Accounts and Groups
Because your computer tracks users and groups with SIDs, you can safely change
account names at any time without worrying that this will cause problems with
access permissions or privileges. While you can rename any user and group accounts
you’ve created, you shouldn’t rename the default user and group accounts without
considering the impact these changes may have on other users. For example, if you
change the name of the Administrators group to HeadHonchos, you may be the only
person who knows that this group was originally the Administrators group. If a year
or so from now you forget that you renamed Administrators, you may think this
group has mysteriously disappeared from your computer.
To rename a user or group account, complete the following steps:
1. Open Computer Management.
2. In Local Users and Groups, select the Users or Groups folder as appropriate.
3. Right-click the account name and then select Rename.
4. Type the new account name and then click a different entry.
Deleting Groups
Deleting a group permanently removes it. Once you delete a group, you can’t create
another group with the same name to get the same permissions because the SID for
the new group won’t match the SID for the old group. Deleting built-in accounts can
have far-reaching effects on your computer, so don’t do it.
To delete a group, complete the following steps:
1. Open Computer Management.
2. In Local Users and Groups, select the Users or Groups folder as appropriate.
3. Right-click the group and then select Delete.
4. When prompted to confirm, click Yes.
Keeping Your Family Safe While Using Your Computer
As a parent, teacher, or librarian, you’ll want to use parental controls to help keep
young people safe when they are on the Internet and to prevent them from accessing
types of content they shouldn’t be accessing. Parental controls enable you to manage
four broad categories of Windows settings:
Web restrictions
Block access to web sites either automatically or based on a specific list you’ve
configured, and block file downloads.

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