Microsoft antivirus exclusion guidelines for domain controllers

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Microsoft antivirus exclusion guidelines for domain controllers

Rakri Aizat 40

AV real‑time scanning now touches ntds.dit database

It also scans SYSVOL replication folders unexpectedly

This behavior is causing domain controller performance issues

We need the official Microsoft exclusion list

i want to ask what is the Microsoft‑recommended antivirus exclusion list for domain controller roles to prevent these performance problems ?

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Answer 1

Hi Rakri Aizat

The primary vector encompasses the Active Directory database (ntds.dit) and associated patch streams within the directory designated by the DSA Database File registry entry. The secondary vector isolates the volatile transactional logging subsystem, specifically EDB*.log, Res*.log, Edb*.jrs, and TEMP.edb structures defined by the `Database Log Files Path registry entry, preserving low-latency write cycles. The tertiary vector encompasses the distributed policy environment, mandating the exclusion of the entire SYSVOL folder hierarchy, its structural policy artifacts like registry.pol and gpt.ini, and the execution path of the replication engine binary (dfsr.exe) to maintain absolute synchronization integrity across the enterprise topology.

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VPHAN