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FAQ

Frequently Asked Questions

I accidentally deleted my TOTP/Duo token, authenticator app, or WebAuth passkey. How do I log in now?

Should I enable or disable Duo inside Xen Orchestra?

Why do I get an HTTP ERROR 431 when accessing the service page?

My VM is frozen — what should I do?

Why is my VM console not displaying properly?

Do I need to use a VPN to access my VM?

What if I don't see my assigned VM?

How do I contact TxCR Support?

Setup and Documentation Grid Background
DOCS

Setup and Documentation

Documentation, guides, and step-by-step instructions to help you use TxCR effectively.

Account Setup & Login (TxCR Portal)

  1. 1.Go to https://sso.txcr.dev or click the login button found at the top right.
  2. 2.Log in using the credentials sent to your email.
    • Username: your NetID or Email (e.g., exampleuser orexampleuser@tamu.edu)
    • Password: the temporary password provided in your welcome email.
  3. 3.You will be prompted to add an MFA device. You can either add a traditional code-based TOTP factor or a WebAuthn passkey if your device, browser, or password manager supports it.
    • To create a TOTP factor:
      • Click TOTP Device.
      • Open your authenticator app (e.g., Duo, Google Authenticator, Microsoft Authenticator).
      • Tap Add → Use QR Code and scan the QR code displayed on the page.
      • Name it TxCR.
      • Enter the generated code into the portal.
      • Click Continue.
    • To create a WebAuthn passkey:
      • Click WebAuthn Device.
      • Add a passkey via the browser pop-up (this may vary depending on your device and password manager).
  4. 4.Once logged in with MFA configured, navigate to settings gear in the top right.
  5. 5.Change your password by clicking Change Password.
  6. 6.(Optional) You can always update your name, password, or MFA devices via this settings tab in your profile.
  7. 7.Important:
    • If you are not able to log in due to incorrectly set up MFA, please submit a support ticket to have your MFA reset.

Logging Into Xen Orchestra (XO)

  1. 1.Go to https://sso.txcr.dev or click the login button found at the top right.
  2. 2.After logging in, click on the Xen Orchestra tile.
  3. 3.Once logged in, click on the Home tab to view your available VMs.
  4. 4.Select your VM.
    • Your VM name will include your OS and course information (e.g., TxCR Standard VM - Ubuntu).
  5. 5.Click on the Console tab.
    • Wait 10–15 seconds for the console to fully load.
  6. 6.Inside the console, press Enter and use the credentials shown in the top-left corner of the VM information panel (these differ from your XO login).
POLICIES

Usage Policies & Guidelines

Acceptable Use Policy

TxCR resources are provided for educational and research purposes. Users must comply with Texas A&M University policies and applicable laws.

  • •Educational use only
  • •No malicious activities
  • •Respect resource limits
  • •Maintain data security

Data & Privacy

Your data privacy is important. We maintain secure systems and follow university guidelines for data handling.

  • •Encrypted connections
  • •Isolated environments
  • •Regular security audits
  • •FERPA compliance

Resource Management

Fair usage ensures all students have access to needed resources. VMs may be subject to automatic cleanup policies.

  • •VM lifecycle management
  • •Automatic cleanup after semester
  • •Storage quota enforcement
  • •Priority for active courses

Support Guidelines

Our support team is here to help. Please follow these guidelines for the fastest resolution.

  • •48-hour response time
  • •Check documentation first
  • •Provide detailed descriptions
  • •Include error messages
Background Pattern
REQUEST

Need Assistance?
Submit a Ticket.

Our ServiceNow ticketing system ensures your issue is tracked and resolved efficiently. Email txcr-support@tamu.edu to create a ticket. Our student staff will respond within 48 hours.

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