Scheduled Service Change: Domain Controller AD11 Retirement
Event:
2026-04-24 08:00:00
Expected Duration:
2026-05-01 17:00:00
Status:
Closed
Brief Description:
Domain controller AD11 will be retired from service. Work begins on Thursday, April 24, 2026, at 8am. After a week of monitoring, it will be removed on Friday, May 1, 2026.
User Impact:
No noticeable impact to authentication is expected. Any service or application that has AD11.cornell.edu hard coded in its config should be updated as soon as possible.
Services Affected:
Identity and Access Management Data Services
Subsites Affected:
Identity Management
Full Description:
Domain controller AD11 will be retired from service. Work begins on Thursday, April 24, 2026, at 8am. After a week of monitoring, it will be removed on Friday, May 1, 2026. No noticeable impact to authentication is expected. Any service or application that has AD11.cornell.edu hard coded in its config should be updated as soon as possible. Volume of traffic to this domain controller will be easily absorbed by the remaining two domain controllers for AWS specific logins.
CIT TDX ID:
2216371
Timeline of Changes
| Description | Current Status | Date | Time |
|---|---|---|---|
Domain controller AD11 will be retired from service. Work begins on Thursday, April 24, 2026, at 8am. After a week of monitoring, it will be removed on Friday, May 1, 2026. No noticeable impact to authentication is expected. Any service or application that has AD11.cornell.edu hard coded in its config should be updated as soon as possible. Volume of traffic to this domain controller will be easily absorbed by the remaining two domain controllers for AWS specific logins. |
2026-04-23 | 11:03:35 |