Kerberos Administrative Maintenance Outage
Kerberos administrative services will be unavailable during this period.
This event has expired. Its previous status was Planned.
Affected systems: Kerberos
Kerberos Administrative Service Maintenance
DATE: Wednesday, January 4, 2023
TIME: 7:00 AM - 9:00 AM
SERVICES AFFECTED: Instance Manager/Kerberos Password Changes
DETAILS: On Wednesday, January 4, 2023, SCS Computing Facilities will perform maintenance on the CS.CMU.EDU Kerberos authentication servers (KDCs) to apply routine software updates. These servers provide authentication for UNIX logins, WebISO, and most SCS services.
Normal Kerberos authentication services are expected to remain available throughout the maintenance period. However, Kerberos administrative services, including the Instance Manager, password-changing services, and UNIX system installation, will be unavailable during this period.
In addition, keys for AFS and for the Kerberos Ticket-Granting Service (TGS) will be rotated, and a change will be made to begin rolling out Advanced Encryption Standard (AES) keys. After this change, users will automatically be provisioned with an AES key on the next password change. These changes are not expected to result in any service disruption.
Please contact us with any questions or concerns regarding this maintenance period.
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