ITS Service Status Report

Scheduled Maintenance — Resolved

BlueCat 9.3.2 update part 3 of 3

Services Affected: In-building Networks

Start Time: 08/06/2022 11:00 pm

Maintenance Completed: 08/07/2022 1:07 am

Issue Symptoms: Degradation

The BlueCat software version will be updated from 9.1.1 to 9.3.2. 

The DNS and DHCP servers are redundant and will be updated one at a time, so the services will not be interrupted.
On this third weekend, the remaining DHCP server pairs will be updated.


Domain Name Service (DNS) is the service that converts internet names (like into network addresses (like
Dynamic Host Configuration Protocol (DHCP) provides network configuration to computers that connect to the network, including their IP Address, subnet mask, network gateway, time server, DNS domain, etc.

Who is Impacted? BlueCat admins

Next Update: 3:00 AM

Technical Details

Service Type: Production

Server Name: adonis*, bdds-*


Ann Arbor boxes have been upgraded. An issue was discovered with the UMD boxes, and we were unable to move forward with an update this evening. We are working with the vendor to identify a fix and move on. 


All boxes are operational and there is no impact to any services. 

Groups Notified:

Report Additional Impacts

Contact the ITS Service Center for more information or to report additional impacts.