Affected Components: Core Routers, region DUS

Scheduled Start: 05. Feb. 2026/9:00 pm (CET)

Scheduled End: 06. Feb. 2026/02:00 am (CET)

State: SCHEDULED

Description:

In order to ensure the greatest possible stability and availability of our network, we will be carrying out maintenance work on our routers at the DUS location during a maintenance window from 21:00 CET on Thursday, 5  February 2026 until 02:00 CET on Friday, 6 February 2026. During the execution of the work, an increased latency time is to be expected over the period of the maintenance window.

Customer Impact during the Maintenance:

• DUS: increased latency

Customer Actions:

• No customer actions needed
• Please inform us if you notice any irregularities

Affected Components: SysEleven OpenStack Cloud in region FES

Scheduled Start: 24 Feb 2026, 22:00 CET

Scheduled End: 25 Feb 2026, 02:00 CET

State: SCHEDULED

Description:

Maintenance window change from 5 February 2026 to 24 February 2026. This is a maintenance announcement for the SysEleven OpenStack Cloud. We will perform an update of the OpenStack services Network, Image and Volume. During this update, all OpenStack API services in the region will be unavailable.

Customer Impact during the Maintenance:

• OpenStack API services in region FES will be unavailable (loss of control)
• Running VMs will not be affected
• Object storage will not be affected

Customer Actions:

• no customer actions needed
• please inform us if you notice any irregularities