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Using the Kerberos Instance Manager

SCS Computing Facilities offers an interactive, Web-based tool for managing SCS Kerberos instances and SCS Windows domain account. The Instance Manager deals with SCS Kerberos principals and passwords for user instances as well as their SCS Windows domain account password. The Instance Manager allows users to view current instances, enable and disable them, change passwords, and create new instances.

The Instance Manager's interface offers several options:

  • Create new SCS Kerberos instances
  • Change SCS Kerberos instance passwords
  • Disable SCS Kerberos instances
  • Change SCS Windows domain account password
  • Unlock SCS Windows domain account

Access the Instance Manager via the WebISO interface, using your SCS Kerberos ID and password. This procedure authenticates you and issues Kerberos tickets for the current session. The Instance Manager then lists all your known SCS Kerberos instances, both those already created and those that can be created, each on a single row with a short description. The Instance Manager will also list your active SCS Windows domain account if it exists.

Kerberos Management Tool Instructions

Kerberos Instance Management Login

  • Type in your SCS kerberos ID and password
  • Click the Log in button

Kerberos Instance Creation

  • Click on the the Create button of the instance that you would like to create
  • Enter your desired password and click Create Instance

Changing your Null Instance Kerberos Password

This interface can be used to change the password for your Null Instance.

  • Click on the Change Password link
  • Enter your current Kerberos password
  • Enter the new password and then re-enter it for verification
  • Click the Change Password button

    The system will confirm that you have changed the password for the instance.

Changing a Kerberos Instance Password

This interface can be used to change passwords only for less-privileged instances such as /mail and /remote, and not for more-privileged instances such as /root (unless the password is known).

  • Click on the Change Password button next to the instance that you want to change the password for
  • Enter the new password and then re-enter it for verification
  • Click the Change Password button

    The system will confirm that you have changed the password for the instance.

Disabling and Enabling a Kerberos Instance

If an instance is disabled it is completely disabled and is not accessible until it is re-enabled by the user or the SCS Help Desk. Existing tickets will continue to be valid until those tickets expire. If you no longer use a particular instance or instances you should consider disabling them. If you are not sure if you should disable an instance please contact the SCS Help Desk for assistance.

  • Click on the Disable button next to the instance that you want to disable

    The system will confirm that you have disabled the instance.

  • Click on the Enable button next to the instance that you want to disable.

    The system will confirm that you have enabled the instance

Changing an SCS Windows domain account Password

This interface can be used to change passwords for your SCS Windows domain account.

  • Click on the Change Password button next to the SCS Windows domian account that you want to change the password for.
  • Enter the new password and then re-enter it for verification
  • Click the Change Password button

    The system will confirm that you have changed the password for the SCS Windows domain account

Unlocking an SCS Windows domain account

This interface can be used to unlock an SCS Windows domain account. When logged in to the Instance Manager, if your SCS Windows domain account is locked, you'll see a warning like this:

To unlock your SCS Windows domain account, click the Unlock button. Contact the SCS Help Desk, <help@cs.cmu.edu> or (412) 268-4231 during normal business hours, with any questions or problems.