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Friday, 17 July 2026 15:30:00

Issue: OWA, Outlook Web Access

Resolved after 94h 30m
Friday, 17 July 2026 06:30:00

Maintenance: Email, Exchange, 17-Jul-2026, 06:30 a.m. – 21-Jul-2026, 11:59 p.m.  

Maintenance work is being carried out. As a result, there may be brief interruptions in the connection between the email client (Outlook, Thunderbird) and individual Exchange servers.

The connection …

Wednesday, 01 July 2026 07:46:00

[solved] Issue: Sending emails from Opal

Resolved after 2h 7m
Friday, 26 June 2026 13:48:00

Outlook Issues after the Microsoft Windows Update in June 2026  

Note on Outlook Issues Following a Windows Update Microsoft has confirmed that the Windows Update KB5094126 (June 2026) for Windows 11 24H2/25H2 may cause issues with Microsoft Office under certain …

Wednesday, 10 June 2026 13:00:00

Maintenance, Email, Exchange, 10 June 2026, 13:00 – 15 June 2026, 23:30  

Maintenance work is currently being carried out. As a result, there may be brief interruptions in the connection between the email client and the server on some Exchange servers.
The connection will …

Tuesday, 19 May 2026 10:00:00

Maintenance: Deployment of new database server for the Mailrelay service, 19 May 2026, 10:00–10:30 am  

On 19 May 2026, between 10:00 and 10:30, new database servers for the Mailrelay service will be put into production. As the servers are redundant, this will take place without any service …

Monday, 18 May 2026 15:00:00

[Update] Issue: Exchange, OWA (Outlook Web App) Light, Calendar

Resolved after 188h 34m
Monday, 18 May 2026 15:00:00

Issue: Published calendars // limitations OWA

▲ This issue is not resolved yet
Monday, 18 May 2026 11:00:00

Maintenance: Exchange Server, May 26, 2018, 11:00 a.m. – May 26, 2018, 11:30 p.m.  

Maintenance work is currently underway. As a result, there may be brief interruptions in the connection between the mail client and the server on some Exchange servers. The connection will be …

Thursday, 16 April 2026 11:00:00

Maintenance: Exchange/Email 16-April-2026, 11:00 AM through 21-April-2026, 11:30 PM  

Maintenance work is currently underway. As a result, there may be brief interruptions in the connection between the mail client and the server on some Exchange servers. The connection will be …


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