Figure 9-16: Account lockout in Visual Studio .NET

Creation QR Code ISO/IEC18004 in Visual Studio .NET Figure 9-16: Account lockout

Figure 9-16: Account lockout
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Managing Certificates Although you cannot use Credential Manager to back up EFS certificates, Windows 7 includes three other tools that you can use to perform this task. These are the Certificates Console (Certmgr.msc), the Manage File Encryption Certificates tool, and the Cipher.exe command-line tool. Each of these tools can be used to back up or export an existing EFS certificate to a password-protected PFX file. This PFX file can then be imported on other computers, or back to the original computer if necessary, either by using these tools, or double-clicking the PFX file using Windows Explorer. Most users will use the Manage Your File Encryption Certificates tool, shown in Figure 9-17, to back up their EFS certificates because it is easier to use than other tools. This tool comprises a wizard that can be used either to back up your certificates or to configure EFS to use a smart card. The tool is accessed by typing Manage File Encryption Certificates into the Search Programs And Files text box. Using the wizard, you select the certificate that you want to back up, the location where the backup will be stored, and the password used to protect the backup.
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Figure 9-17: Backup EFS certificate The Certificates console, shown in Figure 9-18, can also be used to back up EFS certificates. This console can be opened by typing certmgr.msc into the Search Programs And Files text box. Certificates can be exported to password-protected PFX files by right-clicking the certificate that you want to export and then clicking Export. This console is less likely to be used by normal users because it is less intuitive than the Manage Your File Encryption Certificates tool. You have to remember that your EFS certificate is stored under the Personal\Certificates node, something that might not be obvious to a non-technical user.
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Figure 9-18: Certificates Console (Certmgr.msc) EFS keys can also be backed up from the command line using the Cipher.exe command-line utility. When you back up your key, you are provided with a warning on the desktop that this is about to take place and are asked to provide a password to protect the exported key. The command to back up an EFS certificate is: Cipher.exe /x filename.pfx EXAM TIP Remember what tasks you can complete with Credential Manager.
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Practice: Managing Credentials The Windows Vault allows you to store login and password information. This is very useful if you need to access resources outside a domain network and you have trouble remembering all of the unique passwords and login names that you have to use for each different research. In this practice, you explore the Windows Vault and the Runas utility. You get an understanding of each utility's function and how you might use them when deploying Windows 7 in your own network environment. EXERCISE 1: Exploring Runas Credentials and Credential Manager In this exercise, you use the Runas command to run several applications using another user's credentials. You save those credentials to the Windows Vault, verify that they have been saved, and then remove them. To complete this exercise, perform the following steps: Log on to computer Canberra with the Kim_Akers user account. In the Search Programs And Files text box, type Credential Manager. Click Credential Manager. Verify that no credentials are currently stored under any categories. Close Credential Manager. 3. Open an elevated command prompt and issue the following command: Net user Dan_Park P@ssw0rd /ADD 1. 2.
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Close the elevated command prompt. Open a normal command prompt and issue the following command, which opens Notepad:
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Runas /savecred /user:Canberra\Dan_Park notepad 5. Enter the password P@ssw0rd when prompted. Close Notepad. Enter the following command at the command prompt:
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Runas /user:Canberra\Dan_Park write 6. Note that you needed to enter the password to run WordPad. Close WordPad. Enter the following command from the command prompt to open Microsoft Paint:
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Runas /savecred /user:Canberra\Dan_Park mspaint 7. Note that you did not need to enter a password because the saved credentials were used. Close Paint. In the Search Programs And Files text box, type Credential Manager. Click Credential Manager. Click the Canberra\Dan_Park item under Windows Credentials, as shown in Figure 9-19
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Figure 9-19: Stored credentials 9. Click Remove From Vault to remove the Dan_Park credentials. Click Yes when prompted by the Delete Windows Credential dialog box. From the command prompt, again issue the following command:
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Runas /savecred /user:Canberra\Dan_Park mspaint 10. Note that this time you must enter credentials because they are no longer stored in the Windows Vault (though by running this command, you have again added them).
EXERCISE 2: Adding a Credential and Backing Up and Restoring Windows Vault In this exercise, you add a credential to the one that was added to the Windows Vault at the end of the previous exercise. You then add yet another credential. From there, you back up the Windows Vault, delete the existing credentials, and then restore them by restoring the Windows Vault. To complete this exercise, perform the following steps: 1. If you have not done so already, log on to computer Canberra with the Kim_Akers user account. Use Windows Explorer to create the directory C:\Vault. 2. In the In the Search Programs And Files text box, type Credential Manager. Click Credential Manager. 3. Verify that the Canberra\Dan_Park (Interactive Logon) credential is present in Credential Manager. You re-created this credential in step 9 of Exercise 1. 4. Click Add a Windows Credential. In the Add A Windows Credential dialog box, enter the following credentials: 5. 6. Internet Or Network Address: Aberdeen.contoso.internal User name: Sam_Abolrous Password: P@ssword
Click OK to close the Add A Windows Credential dialog box. Click the Back Up Vault item. This opens the Stored User Names And Passwords dialog box. In the Back Up To text box, click Browse. Navigate to C:\Vault\, enter the name Winvault, and click Save. Click Next. 7. Press Ctrl, Alt, and Delete at the same time to continue the backup on the Secure Desktop, as shown in Figure 9-20.
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