Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

Module 2: Troubleshooting Startup Issues, Study notes of Operating Systems

Stanford UniversityOperating Systems

On the Startup Repair page, notice the log file. (E:\Windows\System32\Logfiles\Srt\SrtTrail.txt) mentioned in the message. 24. Click Advanced options.

Typology: Study notes

2022/2023

Uploaded on 03/01/2023

kavinsky
kavinsky šŸ‡ŗšŸ‡ø

4.4

(28)

286 documents

1 / 9

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Module 2: Troubleshooting Startup Issues
Lab A: Troubleshooting Startup Issues
(VMs: 10982D-LON-DC1, 10982D-LON-CL1)
Exercise 1: Exploring Windows RE
Task 1: Use Windows RE
1. Restart 10982D-LON-CL1.
2. When prompted to Press any key to boot from CD or DVD, press the spacebar.
The computer starts into Windows Setup.
3. In the Windows Setup Wizard, click Next.
4. On the Install now page, click Repair your computer.
5. On the Choose an option page, click Troubleshoot.
6. On the Advanced options page, notice the five tools that are available.
7. Click Command Prompt.
8. At the command prompt, type diskpart and then press Enter.
9. At the command prompt, type list disk and then press Enter.
10. At the command prompt, type list volume and then press Enter.
11. At the command prompt, type exit and then press Enter.
12. At the command prompt, type e: and then press Enter.
Note: While in Windows RE, your drive letters might be reassigned. Drive E is the
system drive.
13. At the command prompt, type dir and then press Enter. This is the system
drive.
14. At the command prompt, type cd\windows\system32 and then press Enter.
15. At the command prompt, type net start and then press Enter. A list of running
services is returned.
16. At the command prompt, type sc query and then press Enter. A list of services
and their current status is returned.
17. At the command prompt, type regedit and then press Enter. The Registry
Editor opens.
18. Close the Registry Editor.
19. At the command prompt, type exit and then press Enter.
20. On the Choose an option page, click Troubleshoot.
pf3
pf4
pf5
pf8
pf9

Partial preview of the text

Download Module 2: Troubleshooting Startup Issues and more Study notes Operating Systems in PDF only on Docsity!

Module 2: Troubleshooting Startup Issues

Lab A: Troubleshooting Startup Issues

(VMs: 10982D-LON-DC1, 10982D-LON-CL1)

Exercise 1: Exploring Windows RE

Task 1: Use Windows RE

  1. Restart 10982D-LON-CL.
  2. When prompted to Press any key to boot from CD or DVD , press the spacebar. The computer starts into Windows Setup.
  3. In the Windows Setup Wizard , click Next.
  4. On the Install now page, click Repair your computer.
  5. On the Choose an option page, click Troubleshoot.
  6. On the Advanced options page, notice the five tools that are available.
  7. Click Command Prompt.
  8. At the command prompt, type diskpart and then press Enter.
  9. At the command prompt, type list disk and then press Enter.
  10. At the command prompt, type list volume and then press Enter.
  11. At the command prompt, type exit and then press Enter.
  12. At the command prompt, type e: and then press Enter.

Note: While in Windows RE, your drive letters might be reassigned. Drive E is the system drive.

  1. At the command prompt, type dir and then press Enter. This is the system drive.
  2. At the command prompt, type cd\windows\system32 and then press Enter.
  3. At the command prompt, type net start and then press Enter. A list of running services is returned.
  4. At the command prompt, type sc query and then press Enter. A list of services and their current status is returned.
  5. At the command prompt, type regedit and then press Enter. The Registry Editor opens.
  6. Close the Registry Editor.
  7. At the command prompt, type exit and then press Enter.
  8. On the Choose an option page, click Troubleshoot.
  1. On the Advanced options page, click Startup Repair.
  2. On the Startup Repair page, click Windows 10. Automatic startup repair begins.
  3. On the Startup Repair page, notice the log file ( E:\Windows\System32\Logfiles\Srt\SrtTrail.txt ) mentioned in the message.
  4. Click Advanced options.
  5. On the Choose an option page, click Continue.
  6. Sign in as Adatum\administrator by using the password Pa55w.rd.
  7. On the taskbar, click the File Explorer icon.
  8. In File Explorer, navigate to *C:\Windows\System32\Logfiles\Srt*.
  9. In the Srt folder, double-click SrtTrail.txt.
  10. Examine the file for any errors. There should be none.
  11. Close the file, and then close File Explorer.

Task 2: Work with the BCD

  1. On LON-CL1 , click Start , and then click Settings.
  2. In Settings , click Update & Security.
  3. Click Recovery.
  4. In the results pane, under Advanced startup , click Restart now.
  5. On the Choose an option page, click Troubleshoot.
  6. On the Troubleshoot page, click Advanced options.
  7. On the Advanced options page, click Command Prompt. Your computer restarts into the Command Prompt mode.
  8. On the Command Prompt page, click Admin. This is the local administrator account.
  9. In the Password box, type Pa55w.rd and then click Continue.
  10. At the command prompt, type bcdedit /enum and then press Enter. This lists the available boot options in the store.
  11. At the command prompt, type bootrec /scanos and then press Enter. This command scans the partitions for viable operating systems.
  12. At the command prompt, type bootrec /rebuildbcd and then press Enter. This command rebuilds the boot store automatically.
  13. At the command prompt, type exit and then press Enter.
  14. On the Choose an option page, click Continue.
  15. Sign in as Adatum\administrator by using the password Pa55w.rd.
  • Read the help-desk Incident Record 802137 in the student handbook exercise scenario.

Task 2: Update the Plan of Action section in the Incident Record

  1. Read the Additional Information section of the Incident Record in the student handbook exercise scenario.
  2. Update the Plan of Action section in the Incident Record with your recommendations: o Visit the user, and view the error on their computer. o Insert the Windows 10 product DVD, and restart the computer. o Use Windows Recovery Environment (Windows RE) to recover the startup environment automatically.

Task 3: Simulate the issue

  1. Switch to LON-CL.
  2. If necessary, sign in by using the following credentials: o User name: Adatum\Administrator o Password: Pa55w.rd
  3. Run the D:\Labfiles\Mod02\Scenario1.vbs script.
  4. Wait while LON-CL1 restarts.

Task 4: Attempt to resolve the issue

  1. Stop 10982D-LON-CL1 : o In the Hyper-V client window, click Turn Off. o If prompted, in the confirmation dialog box, click Turn Off.
  2. Start 10982D-LON-CL1 : o In the Hyper-V client window, click Start.
  3. When prompted to Press any key to boot from CD or DVD , press the spacebar.
  4. In the Windows Setup Wizard , click Next.
  5. On the Install now page, click Repair your computer.
  6. On the Choose an option page, click Troubleshoot.
  7. On the Advanced options page, click Command Prompt.
  8. At the command prompt, type bootrec /rebuildbcd and then press Enter.
  9. When prompted, type Y and then press Enter.
  10. At the command prompt, type exit and press Enter.
  11. On the Choose an option page, click Continue.
  1. Sign in by using the following credentials: o User name: Adatum\Administrator o Password: Pa55w.rd
  2. Update the Resolution section in the Incident Record: o Corrupted BCD resulted in startup failure. o Startup Repair failed. o Used bootrec /rebuildbcd to fix the problem.

Results : After completing this exercise, you should have resolved the startup problem.

Prepare for the next lab When you have finished the lab, revert the virtual machines to their initial state:

  1. On the host computer, start Hyper-V Manager.
  2. In the Virtual Machines list, right-click 10982D-LON-CL1 , and then click Revert.
  3. In the Revert Virtual Machine dialog box, click Revert.
  4. Repeat steps 2 and 3 for 10982D-LON-DC.

Lab B: Recovering BitLocker-Encrypted Drives

Exercise 1: Recovering a BitLocker-Encrypted Drive

Task 1: Prepare BitLocker

  1. On LON-CL1 , press the Windows+R keys.
  2. In the Run box, type gpedit.msc and then press Enter.
  3. In the Local Group Policy Editor, expand Computer Configuration , expand Administrative Templates , expand Windows Components , and then expand BitLocker Drive Encryption.
  4. Click Operating System Drives.
  5. Double-click Require additional authentication at startup.
  6. In the Require additional authentication at startup dialog box, click Enabled , and then click OK.
  7. Close the Local Group Policy Editor.
  8. Right-click Start , and then click Windows PowerShell (Admin).
  9. At the command prompt, type gpupdate /force and then press Enter.
  1. On the Choose which encryption mode to use page, click Next.
  2. On the Are you ready to encrypt this drive? page, click Continue.
  3. Right-click Start , point to Shut down or sign out , and then click Restart.
  4. During the restart sequence, when the BitLocker screen displays, in the Enter the password to unlock this drive box, type Pa55w.rd and then press Enter.
  5. Sign in to LON-CL1 as Adatum\Administrator by using the password Pa55w.rd.
  6. On the taskbar, click the File Explorer icon.
  7. In the navigation pane, click This PC.
  8. Right-click Local Disk (C:) , and then click Manage BitLocker. Notice that the drive is now being encrypted.
  9. Close the BitLocker Drive Encryption window.
  10. In the navigation pane, click This PC.
  11. Open Floppy Disk Drive (A:) and then open the Bitlocker Recovery Key text file.
  12. Write down the recovery key and then close all open windows.

Task 2: Read the help-desk Incident Record for incident 802151

  • Read the help-desk Incident Record 802151 in the student handbook exercise scenario.

Task 3: Read the Plan of Action section in the Incident Record

  1. Read the Additional Information section of the Incident Record. Update it with the recovery key that you recorded earlier.
  2. Read the Plan of Action section of the Incident Record.

Task 4: Verify the problem

  • Restart LON-CL1 to verify the problem: o On LON-CL1 , right-click Start , point to Shut down or sign out , and then click Restart. o During the restart sequence, when the BitLocker Drive Encryption screen displays, in the Enter the password to unlock this drive text box, type wrong password , and then press Enter. Notice that you cannot access the computer by using the password the user has provided.

Task 5: Attempt to resolve the problem

  1. On LON-CL1 , on the BitLocker screen, press the ESC key.
  2. On the BitLocker recovery page, in the Enter the recovery key for this drive text box, type the recovery key you recorded earlier, and then press Enter.

Note: You do not need to type the hyphens in the recovery key, because the Windows operating system adds them automatically.

  1. Update the Resolution section in the Incident Record: o Entered the recovery key, and was able to start Windows normally.

Results : After completing this exercise, you should have recovered a BitLocker- encrypted drive and enabled the computer to start up.

Exercise 2: Creating a New BitLocker Password

Task 1: Create a new BitLocker password

  1. Sign in to LON-CL1 as Adatum\Administrator by using the password Pa55w.rd.
  2. On the taskbar, click File Explorer.
  3. In the navigation pane, click This PC.
  4. Right-click Local Disk (C:) , and then click Manage BitLocker.
  5. In BitLocker Drive Encryption, click Change password.
  6. In the BitLocker Drive Encryption (C:) dialog box, click Reset a forgotten password.
  7. On the Create a password to unlock this drive page, in the Enter your password and Reenter your password boxes, type Pa55w.rd2 and then click Finish.
  8. In the Your password has been changed dialog box, click OK.
  9. On LON-CL1 , right-click Start , point to Shut down or sign out , and then click Restart.
  10. During the restart sequence, when the BitLocker screen displays, in the Enter the password to unlock this drive box, type Pa55w.rd2 and then press Enter. Notice that Windows starts normally. Do not sign in.

Results : After you have completed this exercise, you should have created a new BitLocker password.