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Microsoft 365 & Identity
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Page 5 of the DSE Microsoft 365 & Identity knowledge center, with source-backed guidance and practical next steps.

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Microsoft 365 & Identity knowledge center

Clear guidance for Microsoft 365, Entra identity, account protection, collaboration, endpoint policy, and lifecycle changes.

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Microsoft 365 & Identity

760 articles
DSE visual briefNetworks & infrastructure

Stage Install a Replica Windows Server 2012 Domain Controller in an Existing Domain (Level 200) with AD/DNS rollback checks

Microsoft states: “This topic covers the steps necessary to upgrade an existing forest or domain to Windows Server 2012, using either Server Manager or Windows PowerShell.”

Published Reviewed 3 min readBy DSE Security Editorial Team
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DSE visual briefNetworks & infrastructure

Validate LSA Lookup performance counters in Windows and Windows Server with AD/DNS evidence

Microsoft states: “Excessive Local Security Authority (LSA) Account Name and Account security identifiers (SID) lookups can contribute to Active Directory performance degradation.”

Published Reviewed 3 min readBy DSE Security Editorial Team
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