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ERROR_DS_MAX_OBJ_SIZE_EXCEEDED
A fixed directory implementation limit was reached
This status identifies a size ceiling imposed by the directory implementation, not a transient shortage of disk space or memory. In Active Directory and DRS processing, an object is a set of replicated attributes and values. A sufficiently large object can exceed an implementation-specific fixed limit even when every individual attribute value is syntactically valid.
Retrying the same update unchanged is therefore not a useful recovery strategy. Determine which multivalued attributes or unusually large values make the entry large, and compare the failing object with nearby objects of the same class. For group-like or reference-heavy objects, count link values separately from ordinary attributes because the storage and replication behavior differs.
What to inspect
- Capture the exact Add, Modify, or replication operation that returns the code.
- Inspect attribute counts and value sizes instead of treating the failure as generic LDAP busy state.
- Reduce or partition application data only after identifying the attribute responsible for object growth.
References
- MS-ADTS: constraints on Active Directory Add operations
- MS-ADTS: constraints on Active Directory Modify operations
- MS-ADTS: object references and referential integrity
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