All systems are operational

About This Site

Timezone: Europe/Berlin (CET - UTC +1/CEST - UTC +2)

We provide current information about infrastructure and service availability below. If you experience service impacts or performance issues please contact our helpdesk or our Service Desk.

Maintenance
MAINTENANCE: Core Routers in FES

Affected Components: Core Routers, region FES

Scheduled Start: 13. Jan. 2026/9:00 pm

Scheduled End: 14. Jan. 2026/02:00 am

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 FES location during a maintenance window from 21:00 CET on Tuesday, 13 January 2026 until 02:00 CET on Wednesday, 14 January 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:

  • FES: reduced latency

Customer Actions:

  • No customer actions needed
  • Please inform us if you notice any irregularities
MAINTENANCE: SysEleven OpenStack Cloud announcement (DUS2)

Affected Components: SysEleven OpenStack Cloud Networking in region DUS2

Scheduled Start: 14 Jan 2026, 22:00 CET

Scheduled End: 14 Jan 2026, 23:00 CET

State: SCHEDULED


Description:

We will perform maintenance on networking gateways.


Customer Impact during the Maintenance:

  • Several short interruptions of external network connectivity up to 10 seconds each
  • VPN connections could be interrupted for up to 10 seconds

Customer Actions:

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

MAINTENANCE: SysEleven OpenStack Cloud announcement (DUS2)

Affected Components: SysEleven OpenStack Cloud in region DUS2

Scheduled Start: 20 Jan 2026, 22:00 CET

Scheduled End: 21 Jan 2026, 02:00 CET

State: SCHEDULED


Description:

We will perform an update of the OpenStack Compute service. During this update, all OpenStack API services in the region will be unavailable.


Customer Impact during the Maintenance:

  • OpenStack API services in region DUS2 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

MAINTENANCE: SysEleven OpenStack Cloud announcement (HAM1)

Affected Components: SysEleven OpenStack Cloud in region HAM1

Scheduled Start: 27 Jan 2026, 22:00 CET

Scheduled End: 28 Jan 2026, 02:00 CET

State: SCHEDULED


Description:

We will perform an update of the OpenStack Compute service. During this update, all OpenStack API services in the region will be unavailable.


Customer Impact during the Maintenance:

  • OpenStack API services in region HAM1 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

Past Incidents

Sunday 25th August 2024

No incidents reported

Saturday 24th August 2024

No incidents reported

Friday 23rd August 2024

No incidents reported

Thursday 22nd August 2024

No incidents reported

Wednesday 21st August 2024

No incidents reported

Tuesday 20th August 2024

No incidents reported

Monday 19th August 2024

No incidents reported

Sunday 18th August 2024

No incidents reported

Saturday 17th August 2024

No incidents reported

Friday 16th August 2024

No incidents reported

Thursday 15th August 2024

No incidents reported

Wednesday 14th August 2024

No incidents reported

Tuesday 13th August 2024

SysEleven Stack DNS API INCIDENT: SysEleven STACK API issues

Affected Components: **SysEleven Stack API **

Incident Start: 2024-08-13 13:33


Description:

  • We are currently experiencing a loss of control for DNS zones managed by the DNSaaS API

Customer Impact:

  • Changes towards DNSaaS zones and records are not propagated

Update: 2024-08-13 16:10

  • Root cause was identified and fixed, we are observing the situation

Monday 12th August 2024

Network INCIDENT: SysEleven STACK issues in region CBK

Affected Components: SysEleven Stack, region CBK

Incident Start: 2024-12-08 11:20 Incident End: 2024-12-08 11:38


Description:

  • Occurring errors are currently being investigated.

Customer Impact:

  • Connectivity is restricted

Update : 2024-12-08 11:38

  • Network problems were identified, we fixed the underlying issue and are now observing the situation

Sunday 11th August 2024

No incidents reported

Saturday 10th August 2024

No incidents reported

Friday 9th August 2024

No incidents reported

Thursday 8th August 2024

No incidents reported

Wednesday 7th August 2024

No incidents reported

Tuesday 6th August 2024

No incidents reported

Monday 5th August 2024

No incidents reported

Sunday 4th August 2024

No incidents reported

Saturday 3rd August 2024

No incidents reported

Friday 2nd August 2024

No incidents reported

Thursday 1st August 2024

No incidents reported

Wednesday 31st July 2024

No incidents reported

Tuesday 30th July 2024

No incidents reported

Monday 29th July 2024

No incidents reported

Sunday 28th July 2024

No incidents reported

Saturday 27th July 2024

SysEleven Stack Authoritative DNS INCIDENT: SysEleven STACK DNS issues

Affected Components: SysEleven Stack Authoritative DNS

Incident Start: 2024-07-27 09:37 UTC+02:00 (CEST)

Incident End: 2024-07-27 10:40 UTC+02:00 (CEST)


Description:

  • ns01.cloud.syseleven.net and ns02.cloud.syseleven.net authoritative DNS servers are unavailable
  • (ns03.cloud.syseleven.net and ns04.cloud.syseleven.net are still working)

Customer Impact:

  • DNS resolution may fail for zones hosted in SysEleven Stack DNSaaS

Update: 2024-07-27 10:40 UTC+02:00 (CEST)

  • We have implemented a workaround meaning that ns01.cloud.syseleven.net and ns02.cloud.syseleven.net are available again and can answer DNS queries
  • We are working on a more sustainable solution

Update: 2024-07-27 12:15 UTC+02:00 (CEST)

  • A more sustainable solution is now in place