All systems are operational
Scheduled Maintenance
[SEWAN] Technical maintenance - 16.02.2026

Beginning: 16.02.2026 – 10.00 PM

Ending: 17.02.2026 – 06.00 AM

 

Impact: Two short service interruptions of a few minutes affecting Network, VoIP and Hosting services during switchover.

 

Dear Customer, Dear Partner,

 

Please be informed that our technical team will perform an upgrade on two network core devices.

 

During the scheduled maintenance window, you may experience two short service interruptions lasting a few minutes during service failover between our two datacenters. This may temporarily affect firewall cloud, Sophia VOIP telephony and hosting services.

 

No action is required on your side.

 

Best regards,

[SEWAN] Technical maintenance - 17.02.2026

Beginning: 17.02.2026 – 10.00 PM

Ending: 18.02.2026 – 03.00 AM

 

Impact: Few packet loss and SSL-VPN disconnection while switchover.

 

Dear Customer, Dear Partner,

 

Please be informed that our technical team will perform maintenance on firewalls cluster 1.

During the two scheduled nights, you may experience brief packet loss and temporary SSL-VPN disconnections during the switchover.

No action is required on your side.

 

Thank you for your understanding.

 

Best regards;

 

SEWAN Technical Team

[SEWAN] Technical maintenance - 18.02.2026

Beginning: 18.02.2026 – 12.00 AM

Ending: 18.02.2026 – 1.00 PM

 

Impact: Cloud firewall cluster 12 console not reachable

 

Dear Customer, Dear Partner,

 

Please be informed that our technical team will carry out maintenance on the firewall GUI (cluster 12).

During this maintenance window, the management console will not be accessible. No impact on production services is expected.

Thank you for your understanding.

 

Best regards;

 

SEWAN Technical Team

[SEWAN] Technical maintenance - 19.02.2026

Beginning: 19.02.2026 – 12.00 AM

Ending: 19.02.2026 – 1.00 PM

 

Impact: Cloud firewall cluster 13 console not reachable

 

Dear Customer, Dear Partner,

 

Please be informed that our technical team will carry out maintenance on the firewall GUI (cluster 13).

During this maintenance window, the management console will not be accessible. No impact on production services is expected.

Thank you for your understanding.

 

Best regards;

 

SEWAN Technical Team

Past Incidents

Tuesday 18th July 2023

No incidents reported

Monday 17th July 2023

[SEWAN] Technical maintenance - 17.07.2023, scheduled 2 years ago

Beginning: 17.07.2023 – 11.00 PM

Ending: 18.07.2023 – 04.00 AM

Internal ref: DTCAB-4138

Impact: 5 minutes of disturbance

 

Dear customer, dear partner,

 

Please note that our technical team will perform an upgrade of BW server (Hosted Telephony). A maximum of 5 minutes of disturbance can be expected in the worst case.  

 

No intervention is needed from your side.

 

Best regards;

SEWAN Technical Team

Sunday 16th July 2023

No incidents reported

Saturday 15th July 2023

No incidents reported

Friday 14th July 2023

No incidents reported

Thursday 13th July 2023

No incidents reported

Wednesday 12th July 2023

No incidents reported

Tuesday 11th July 2023

No incidents reported

Monday 10th July 2023

No incidents reported

Sunday 9th July 2023

No incidents reported

Saturday 8th July 2023

No incidents reported

Friday 7th July 2023

Sophia [SEWAN] Unexpected disturbances - 07.07.2023

Beginning: 07.07.2023 – 02.00 PM Ending : 07.07.2023 - 7.00 PM

Impact: it is no longer possible to order a new access link or new IP addresses

  

Dear customer, dear partner,

Since this afternoon, it's not longer possible to order a new access link or new IP addresses (error IPv4 subnet could not be created. The requested prefix is too large). The problem is identified and will be fixed soon.

Sorry for the inconvenience.

...............................

 

Best regards;

SEWAN technical team

Thursday 6th July 2023

[SEWAN] Unexpected disturbances - 06.07.2023

Beginning: 06.07.2023 – 04.00 AM Ending : 06.07.2023 – 10.00 AM

Impact:

  • customers unable to setup or receive calls
  • customers having problems to setup mobile data connections
  • also impact to send or receive SMS receive

 

Dear customer, dear partner,

  There’s a nationwide mobile network problem at the moment.

Problems detected and investigated since 04:00 on connectivity between mobile antenna and backbone mobile voice and internet servers. Impact on mobile voice, internet and SMS services for all customers (Proximus and MVNO) Technical investigation with different teams is ongoing.

sorry for the inconvenience.

...............................

 

Best regards;

SEWAN technical team

Wednesday 5th July 2023

Centrex Sewan [SEWAN] Unexpected disturbances - 05.07.2023

Beginning: 05.07.2023 – 08.30AM Endding 05.07.2023 - 10.00 AM

Impact : cut of active calls on some TRUNKFS platforms and Hosted Telephony

 

Dear customer, dear partner,

We're facing issues on our RTP servers since 8:30 this morning. Teams are working to identify root cause (2 servers impacted for now).

sorry for the inconvenience.

 

Best regards;

SEWAN technical team

Tuesday 4th July 2023

No incidents reported