Skip to main content

Scheduled Service Change: Change IP Addresses on Domain Controllers

Last Updated:
2012-02-02 00:00:00
Event:
2012-02-05 00:00:00
Status:
Closed
Brief Description:
User Impact:
Users who are connected to a domain controller while its IP address is changed may see a momentary pause while the client connects to a different domain controller.\n\nApplications that are configured to use a single domain controller and not updated to use query.ad.cornell.edu may see a 5-minute delay while the DNS TTL expires and the new IP is discovered.\n\nJava-based applications that do not honor the DNS TTL will have to be restarted to refresh the IP address only if the old names are left in their configuration.
Workaround:
There is no workaround for this issue
Current Status:
N/A
Services Affected:
Full Description:
On Sunday, February 5, and again on Sunday, February 12, from 5 am to 7 am, the IP addresses on several CornellAD domain controllers will be changed from 10 space to routable space. AD2 and AD4 will be changed on February 5 and AD3 and AD5 will be changed on February 12.\n \nUnits may need to take some steps to prepare for this maintenance:\n \n1. Units that are using or planning to use CornellAD s...