Microsoft has confirmed a new known issue affecting Windows Server 2016 systems that causes domain controller lookups to fail ...

Microsoft confirmed a Windows Server 2016 issue that can break domain controller discovery after installing KB5087537.

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the ...

Microsoft is working to patch CVE-2026-42897, an Exchange Server zero-day vulnerability that has been exploited in attacks.

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Microsoft is warning businesses about a previously-unknown security issue that has been exploited by cyber criminals against businesses and government agencies around the world for the past few weeks.

A fix introduced into Windows last month to close a weakness in Kerberos authentication is causing logon failures for some Windows Hello for Business (WHfB) users, Microsoft has warned. In theory, the ...

The NSA, CISA, Australia’s Cyber Security Centre, and Canada’s Cyber Centre jointly released comprehensive security practices for Exchange hardening. If your team still runs Microsoft Exchange Server, ...