ERROR_DS_INSTALL_SCHEMA_MISMATCH - 8467 (0x2113)

The version of the directory service schema of the source forest is not compatible with the version of directory service on this computer.

Updated: Feb 21, 2026

Technical Background

The ERROR_DS_INSTALL_SCHEMA_MISMATCH error code (8467, 0x2113) indicates a compatibility issue between the directory service schema versions in different forest environments. This error typically arises during operations that require synchronization or migration of data across forests with differing schema definitions.

Error Details

This error occurs when an attempt is made to perform an operation on a domain controller where the schema version does not match the expected version from another forest. The schema defines the structure and attributes allowed for objects within Active Directory, and mismatches can prevent certain operations due to potential data incompatibilities or security concerns.

Common Causes

  • Invalid Parameter Values: Incorrectly specified parameters during schema-related operations.
  • Incorrect Object Type: Attempting an operation on a type of object that is not supported by the current schema version.
  • Exceeding Limits: Operations that exceed defined limits within the schema.
  • Corrupted Data: Incomplete or corrupted data during schema synchronization processes.
  • Unsupported Operations: Trying to perform operations that are not supported in the current schema environment.

    Real-World Context

    This error is critical when performing cross-forest operations, such as schema replication or domain trust establishment. Ensuring compatibility between schemas is essential for maintaining consistent and secure directory service environments across multiple forests.

    Is This Error Critical?

    Yes, this error can prevent necessary operations from completing successfully, leading to potential disruptions in the directory service environment.

    How to Diagnose

    1. Review Operation Context: Verify that all operations are being performed within the correct forest and domain context.
    2. Validate Parameters: Ensure that all parameters used in schema-related commands or operations are correctly specified according to the current schema version.
    3. Confirm Object Types: Confirm that objects involved in the operation match the expected types supported by the current schema.
    4. Verify Input Data: Check for any corrupted data that might be causing the mismatch during synchronization processes.
    5. Check Limits or Constraints: Ensure that no operations are attempting to exceed defined limits within the schema.

      How to Resolve

    6. Correct Parameter Usage: Adjust parameters as necessary to match the current schema version.
    7. Adjust Operation Context: Perform operations in a context where compatibility is ensured, such as within the same forest or domain.
    8. Restore Data: If data corruption is suspected, restore from a known good backup before attempting the operation again.
    9. Retry Operation with Valid Inputs: Reattempt the operation using valid and compatible inputs.

      Developer Notes

      When working with Active Directory schema operations, always ensure that all environments involved are up to date and compatible to avoid such errors. Regularly update schemas across forests to maintain consistency and prevent issues like this from arising.

      Related Errors

  • ERROR_DS_SCHEMA_MISMATCH
  • ERROR_DS_DRA_SCHEMA_CONFLICT

    FAQ

    Q: What does the error ERROR_DS_INSTALL_SCHEMA_MISMATCH mean?

    A: This error indicates a version mismatch between the directory service schema in the source forest and the current environment, preventing certain operations from completing.

    Q: How can I prevent this error?

    A: Ensure that all environments involved in schema-related operations are up to date and compatible. Regularly update schemas across forests to maintain consistency.

    Summary

    The ERROR_DS_INSTALL_SCHEMA_MISMATCH error is a specific technical issue related to schema version mismatches between different forest environments in Active Directory. Proper diagnosis and resolution involve verifying operation context, parameter usage, object types, data integrity, and adherence to defined limits within the schema.