CS Network Status

This page lists both active and recently closed CS network alerts. If you would like more information about an alert, or if you have an issue you would like to report, send email to helpdesk [-at-] cs [dot] umd [dot] edu or call extension 52720.

Current Active Alerts

There are no current active alerts. Network operations are normal.

Have an issue that you need to report? Send email to helpdesk [-at-] cs [dot] umd [dot] edu.

Have a question about department IT services? Check out our FAQ.

Past Alerts

Updated Issue Summary Impact
11.27.2025 10:21 11/27/25 9:00 12:00 NFS server maintenance

The NFS server will be upgraded.
During the maintenance, the following services will be disrupted:
      -CSD web sites (no access to content) - www.cs and all other sites served by CS web servers

     -  "junkfood" home directory

     - Personal web pages, /fs/wwwusers

     - Class and Project directories, e.g. class web pages. fs/instruct & /fs/proj

 		Heavy
09.14.2025 13:08 Maintenance work on our AVW datacenter firewall on 09/14/2025 from 10am to 12pm

Users may see a very short IPv4 connectivity disruption to AVW datacenter and a few minutes of IPv6 downtime.

 		Light
08.20.2025 21:53 Maintenance work on our AVW datacenter firewall on 08/20/2025 from 9pm to 10pm

Users may see a short IPv4 connectivity disruption to AVW datacenter and a few minutes of IPv6 downtime.

 		Light
08.20.2025 14:03 Maintenance work on our AVW datacenter firewall on 08/19/2025 from 9pm to 10pm

Users may see a short IPv4 connectivity disruption to AVW datacenter and a few minutes of IPv6 downtime.

 		Light
08.13.2025 21:02 Maintenance work on our AVW datacenter firewall on 08/12/2025 from 9pm to 10pm

Users may see a very short IPv4 connectivity disruption to AVW datacenter and a few minutes of IPv6 downtime.

 		Light
08.10.2025 23:51 Gitlab upgrade on 08/10/2025 from 9am to 10am

GitLab will undergo software updates on  08/10/2025 Sunday from 9am to 10am . During this time, the server may be intermittently unavailable. We appreciate your understanding as we work to improve our services.

 		Light
07.24.2025 22:33 Maintenance work on our AVW datacenter firewall on 07/24/2025 from 10pm to 11pm

All users of CS IT services housed in our datacenter may notice two network outages lasting fewer than 5 minutes each.

 		Moderate
07.07.2025 11:24 Maintenance work on our AVW datacenter firewall on 07/06/2025 from 10am to 12pm

All users of CS IT services housed in our datacenter may notice two network outages lasting fewer than 5 minutes each.

 		Moderate
07.02.2025 15:36 Maintenance work on our AVW datacenter firewall on 06/15/2025 from 10am to 11am

All users of CS IT services with private IP addresses housed in our datacenter may notice up to 2 network outages lasting fewer than 5 minutes each.

 		Light
06.12.2025 13:56 Maintenance work on our AVW datacenter firewall on 06/10/2025 from 5pm to 6 pm.

All users of CS IT services housed in our datacenter may notice up to 2 network outages lasting fewer than 5 minutes each.

 		Light