What does Windows error code 8542 (ERROR_DS_DRA_SCHEMA_INFO_SHIP) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: Schema information could not be included in the replication request.

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ERROR_SAM_INIT_FAILURE	ERROR_DS_DRA_SCHEMA_CONFLICT

ERROR_DS_DRA_SCHEMA_INFO_SHIP

ERROR_DS_DRA_SCHEMA_INFO_SHIP (8542) is an Active Directory replication error. The replication request could not carry the schema information it required. This is closely related to schema-partition health and should be investigated before application or object-level changes.

What to check

Verify replication of the Schema and Configuration naming contexts between the same partners.
Confirm the Schema Master role holder is reachable and not reporting schema or Directory Service errors.
Check for a recent interrupted schema extension or promoted domain controller with incomplete schema replication.

Useful command

repadmin /showrepl <DestinationDC> /all /verbose

Microsoft: Troubleshoot AD replication error 8418 · Microsoft: FSMO roles in Active Directory · Microsoft: Repadmin /showrepl

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