- Below you will find a calendar of upcoming planned outages that affect CAEN services, including upgrades and maintenance.
- A list of past outage postings, including a description of the services affected, is also provided.
- Notifications of CAEN service downtimes are regularly posted to our
UMcaenstatus Twitter feed. - Postings about all campus-wide service outages are also available on the ITS Service Status page.
CLSE Server Maintenance – Thursday, November 14
- Start: Thursday, November 14, 5:00 a.m.
- End: Thursday, November 14, 8:30 a.m.
On Thursday, November 14 between 5:00 and 8:30 a.m., maintenance has been scheduled for servers that support the CAEN Lab Software Environment (CLSE). This maintenance is intended to apply recent operating system and software application updates, and install patches for software vulnerabilities.
The following CLSE services may experience an outage during the above maintenance timeframe:
- Windows computers, including those accessed via the Windows Remote Desktop Service
- Linux computers, including the Linux Login Service (accessed as login.engin.umich.edu, login-course.engin.umich.edu, and oncampus-course.engin.umich.edu), also known as the “VNC” servers
- Teamcenter product lifecycle management (PLM) services
Resolved: Linux Login/VNC Server Outage – Saturday, October 19
- Start: Saturday, October 19, 11:00 p.m.
- End: Monday, October 21, 8:30 a.m.
After maintenance on the U-M AFS file servers that provide the home directories on CAEN Linux computers and remote login/VNC servers, users may have had trouble logging in. All of the servers have been rebooted to address this problem.
Resolved: Duderstadt Center 2nd Floor Wired Network Outage – Saturday, October 19
On Saturday, October 19 between 12:00 and 12:15 a.m., there will be an emergency reload of a switch on the second floor of the Duderstadt Building.
Individuals who are connected to the wired network will see a brief outage of less that five minutes while the switch reloads. Wireless connectivity for the second floor will not be affected.
Refer to the ITS Service Status page for further updates.
Resolved: North Campus Emergency Power Shutdown – Thursday, October 17
On Thursday, October 17 between 4:00 and 6:00 a.m., there will be an emergency power outage that may affect the following buildings:
- CSRB
- Duderstadt Canter
- ERB
- Gerstacker
- Gorguze
- Lay Auto
- NAME
- Rad Sci 1&2
- SI
- UMTRI
Refer to the ITS Service Status page for further updates.
Resolved: MPrint Server Maintenance – Friday, September 20
- Start: Friday, September 20, 11:00 p.m.
- End: Saturday, September 21, 3:00 a.m.
From Friday, September 20 at 11:00 p.m. until Saturday, September 21 at 3:00 a.m., maintenance has been scheduled for the servers that support printing on campus. Further information and updates about this outage can be found on the ITS Service Status page.