Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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my exchange 2013 cu23 servers owa and ecp are not accessible after installing zero day attack mentioned here https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
even after rebuilding the owa and ecp ,still have the same issue .... any one had this issue after installing them