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adsiedit
About this tag
The adsiedit tag on WindowsForum.com covers discussions about using ADSI Edit, the Microsoft Management Console snap-in for low-level editing of Active Directory. Recent content highlights a critical bug in Windows Server 2025 where the Schema Master FSMO role creates duplicate schema entries, threatening AD replication and causing schema-mismatch errors on older domain controllers. Administrators share troubleshooting steps and workarounds while awaiting a vendor fix. The tag is relevant for IT professionals managing Active Directory forests, schema modifications, and replication health in Windows Server environments.
A subtle but dangerous bug in Windows Server 2025’s Schema Master FSMO role is causing duplicate schema entries that can break Active Directory replication and trigger schema-mismatch errors on older domain controllers — the issue is being discussed by administrators and reported in the field...
active directory
ad replication
adprep
adsiedit
backup and recovery
domain controller
event id
exchange schema
field reports
fsmo roles
ldifde
microsoft support
migration
release health
replication
schema master
schema mismatch
troubleshooting
windows server 2025