zxing qr code generator c# Lesson 2 in Visual C#

Encoding QR-Code in Visual C# Lesson 2

Lesson 2
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Creating User Accounts
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To set logon workstations, complete the following steps: 1. In the Properties dialog box for the user account, in the Account tab, click Log On To. 2. In the Logon Workstations dialog box, shown in Figure 7-7, select The Following Computers. Then type the name of the computer from which a user is permitted to log on in the Computer Name box. Click Add.
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Figure 7-7 Logon Workstations dialog box
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3. If necessary, type additional computer names in the Computer Name box, then click Add. Click OK.
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Setting Account Expiration Date
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Set the account expiration date to control when a user account expires. The account expires at the end of the day on the date you select. Setting an account expiration date ensures that users can log on only when they are supposed to and reduces the amount of time that the account is open to unauthorized access. To set account expiration date, complete the following steps: 1. In the Account tab of the Properties dialog box for the user account, shown in Figure 7-8, select either of the following options:
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Never, if you do not want the user account to expire End Of (and then enter a date in the adjoining text box), if you want Windows Server 2003 to disable the user account automatically at the end of the day on the date you specify
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7
Administering User Accounts
Figure 7-8 The Account tab of the Properties dialog box for a user account
2. Click OK.
Practice: Creating, Modifying, and Verifying Domain User Accounts
In this practice, you create, modify, and verify domain user accounts for the contoso.com domain.
Exercise 1: Creating Domain User Accounts
In this exercise, you create some domain user accounts for the contoso.com domain.
To create domain user accounts 1. Log on to Server1 as Administrator. 2. On Server1, use the procedure provided earlier in this lesson to create the domain user accounts shown in Table 7-6 in the Chicago OU for contoso.com.
Table 7-6
Domain User Accounts for Exercise 1
Last Name One Three Five Seven Nine User Logon Name User1 User3 User5 User7 User9 Password (blank) (blank) User5 User7 User9 Change Password Must Must Must Must Cannot
First Name User User User User User
Lesson 2
Creating User Accounts
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Exercise 2: Modifying User Account Properties
In this exercise, you modify user account properties for two of the user accounts you created in Exercise 1. For one account, you configure the logon hours. For the other account, you configure the account expiration settings.
To modify user account properties 1. On Server1, use the procedure provided earlier in this lesson to modify the User Three and User Five domain user accounts you set up in Exercise 1. Use the prop erties specified in Table 7-7.
Table 7-7
Domain User Account Properties for Exercise 2
Logon Hours 6 P.M. 6 A.M., Monday Friday No change Account Expires No change Yesterday
User Account User Three User Five
2. Close the Active Directory Users And Computers console and log off.
Exercise 3: Verifying the Creation of User Accounts
In this exercise, you attempt to log on to the domain controller using the User One account you created in Exercise 1. Then you allow users to log on at the domain control ler by adding the user accounts you created in Exercise 1 and modified in Exercise 2 to the Print Operators group. Finally, you verify the password restrictions that you set up in Exercise 1 and the logon hours restrictions and account expiration settings that you set in Exercise 2.
To verify the creation of user accounts The first step in verifying the creation of a user account is to use the account to log on to a domain controller. 1. Log on to Server1 as User1 with no password. 2. In the Logon Message message box, click OK. 3. In the Change Password dialog box, leave the Old Password box blank, type stu dent in the New Password box and the Confirm New Password box, and click OK. 4. In the Change Password message box, click OK. Were you able to successfully log on Why or why not
No. By default, administrators have the right to log on to a domain controller, but regular users, like User1, do not.
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7
Administering User Accounts
The second step in verifying the creation of a user account is to enable users to log on at a domain controller if you have not already done so. There are several ways to allow regular users to log on at a domain controller. In the next procedure, you add the users to the Print Operators group because this group has the right to log on to a domain controller. A group is a collection of user accounts. Groups simplify administration by allowing you to assign permissions to a group of users rather than having to assign permissions to each individual user account. For more information on groups, see 8, Administering Group Accounts. 1. Log on to Server1 as Administrator. 2. In the console tree of the Active Directory Users And Computers console, expand the East OU and the Chicago OU. 3. In the details pane, right-click User One, and then click Properties. 4. In the User One Properties dialog box, click the Member Of tab. Click Add. 5. In the Select Groups dialog box, select Advanced. 6. In the next Select Groups dialog box, click Find Now. Scroll down the box dis playing the groups and select the Print Operators group. Click OK. 7. In the Select Groups dialog box, click OK. 8. Click OK to close the User One Properties window. 9. Repeat steps 3 8 for User3, User5, User7, and User9. 10. Close the Active Directory Users And Computers console and log off. The third step in verifying the creation of a user account is to verify the operation of the password restrictions set for the account. 1. Attempt to log on as User7 with no password. Were you able to successfully log on Why or why not
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