We are applying emergency exchange server maintenance on 03 march 2021 starting from 21:00 CET.

There should be no downtime as the updates roll out redundantly over our exchange clusters.

The emergency updates are to address the recent chain of Exchange security updates released and reported by Microsoft: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/

Due to the serious nature of the security patches we have chosen to launch the maintenance as soon as possible and not even wait till after midnight.

The updates roll out is expected to last till 02:00 AM 04 march 2021. 

<a href="https://www.key4ce.com/news/author/m-tiggelaar/" target="_self">m.tiggelaar</a>


– Founder of Key4ce & FuseCP.
– More then 13 years of experience with Windows high availability and Microsoft Exchange.
– More then 13 years of experience with Linux and Unix.
– Open source enthusiast and a large contributor for multiple large Open Source projects.

My current main focus of attention is Geo-Clustering.


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We expect to have more clustered servers available after Q2 of 2020, If you need any advice, or want to purchase your own equipment please contact us.