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Schema Operations

  • Article

Applies To: Windows Server 2008

Schema operations include the following:

  • Updating the schema cache
  • Updating the schema index
  • Implementing schema modifications
  • Maintaining schema integrity

Events

Event ID Source Message

1016

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM could not be initialized because the schema could not be loaded.

User Action
Restart the directory service and try this task again. If this error continues to occur, restore the directory service from backup media.

1135

Microsoft-Windows-ActiveDirectory_DomainService

 The search for objects in the schema directory partition failed during the following phase.

Phase:
%1

Additional Data
Error value:
%2 %3

1136

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM failed to create an index for the following attribute.

Attribute identifier:
%1
Attribute name:
%2

A schema cache update will occur 5 minutes after the logging of this event and will attempt to create an index for the attribute.

Additional Data
Error value:
%3 %4

1137

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM successfully created an index for the following attribute.

Attribute identifier:
%1
Attribute name:
%2

1140

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM could not allocate the following amount of memory while caching the schema.

Memory (bytes):
%1

User Action
Restart the local computer. If this event continues to occur, increase the physical memory or virtual memory.

Additional Data
Internal ID:
%2

1141

Microsoft-Windows-ActiveDirectory_DomainService

 Internal error: The search for objects in the schema directory partition during the following phase did not return the expected number of objects.
Phase:
%1
Expected number of objects:
%3
Actual objects returned:
%2

1142

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The auxiliary class identifier for the following schema class is not valid.

Auxiliary class identifier:
%3
Class identifier:
%1
Class name:
%2

The auxiliary class identifier is pointing to a class that does not exist, and the auxiliary class will be ignored.

1143

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class has a non-auxiliary class incorrectly listed as an auxiliary class.

Class identifier:
%1
Class name:
%2
Non-auxiliary class identifier:
%3
Non-auxiliary class name:
%4

The non-auxiliary class will be ignored.

1144

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The auxiliary schema class identifier %1 (class name %2) derives from structural schema class identifier %3 (class name %4). This error was ignored and the inheritance was processed anyway.

1146

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following structural class is derived from the following class that is defined by multiple inheritance. Multiple inheritance, where both parent classes are structural, is not supported by AD_TERM.

Structural class identifier:
%1
Structural class name:
%2
Class identifier:
%3
Class name:
%4

This error was ignored and the inheritance was processed anyway.

1147

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following attribute does not contain an attribute identifier.

Attribute:
%1

The attribute will be ignored.

1148

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The search for objects in the schema directory partition returned the following unexpected attribute.

Attribute:
%1

The attribute will be ignored.

1149

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM is in the process of creating a new database column for the following new attribute.

Attribute identifier:
%1
Attribute name:
%2

1150

Microsoft-Windows-ActiveDirectory_DomainService

 The attempt to create a new database column for the following new attribute failed.

Attribute identifier:
%1
Attribute name:
%2

The attribute definition was ignored.

Additional Data
Error value:
%3 %4

1151

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: A new database column was created for the following new attribute.

Database column:
%1
Attribute identifier:
%2
Attribute name:
%3

1152

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class is part of a class hierarchy that results in an inheritance loop. This class references itself as either a superclass or an auxiliary class.

Class identifier:
%1
Class name:
%2

Inheritance was ignored.

1153

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class has a superclass that is not valid.

Class identifier:
%1
Class name:
%2
Superclass identifier:
%3

Inheritance was ignored.

1154

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class has a relative distinguished name (RDN) attribute identifier that is not valid.

Class identifier:
%1
Class name:
%2
RDN attribute identifier:
%3

The class definition was ignored.

1155

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class has a mandatory attribute that is not valid.

Class identifier:
%1
Class name:
%2
Mandatory attribute:
%3

The attribute was ignored.

1156

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following schema class has an optional attribute that is not valid.

Class identifier:
%1
Class name:
%2
Optional attribute:
%3

The attribute was ignored.

1157

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM is in the process of creating a new index for the following attribute.

Attribute name:
%2
Attribute identifier:
%1

1180

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM could not delete the following column from the database. This column is no longer used. It was previously used by the following attribute, which has been deleted.

Column:
%1
Attribute:
%2

Additional Data
Error value:
%3 %4

1181

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM could not delete the following column from the database because it is being used by an index. This column was previously used by the following attribute, which has been deleted.

Column:
%1
Attribute:
%2

1182

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM successfully deleted the following column from the database. This column was previously used by the following attribute, which has been deleted.

Column:
%1
Attribute:
%2

1184

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM was unable to delete the index for the following attribute.

Attribute name:
%1
Attribute ID:
%2

This index is no longer needed.

Additional Data
Error value:
%3 %4

1185

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM successfully deleted the index for the following attribute.

Attribute name:
%1
Attribute ID:
%2

1199

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM could not delete the following localized language index. This index is no longer needed.

Localized language index:
%1

Additional Data
Error value:
%2 %3

1200

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM deleted the following localized language index. This index was no longer needed.

Localized language index:
%1

1207

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: An internal asynchronous attempt to update the schema cache failed with an error.

AD_TERM will automatically retry the operation after 5 minutes. The following number of retries will be attempted.

Retries:
%2
Current update attempt:
%3

Additional Data
Error value:
%1

1208

Microsoft-Windows-ActiveDirectory_DomainService

 An internal asynchronous attempt to update the schema cache failed with an error.

AD_TERM will not retry the operation again. Recent schema updates may not be available until this cache is updated.

User Action
Perform an explicit synchronous schema cache update or restart the directory service.

Additional Data
Error value:
%1

1315

Microsoft-Windows-ActiveDirectory_DomainService

 AD_TERM schema cache failed to inherit all attributes for the following class.

Class ID:
%1
Class name:
%2

The schema cache is incomplete.

User Action
Refresh the schema cache.

1464

Microsoft-Windows-ActiveDirectory_DomainService

 While searching for an index, AD_TERM detected that a new index is needed for the following attribute.

Attribute:
%1
New index name:
%2

A new index will be automatically created.

Additional Data
Error value:
%3 %4

1523

Microsoft-Windows-ActiveDirectory_DomainService

 The AD_TERM schema cache load could not convert the default security descriptor on the following schema class object.

Security descriptor:
%1
Schema class object:
%2

As a result, the schema cache load will fail.

User Action
Verify that the default security descriptor on the class is valid. If it is not valid, change it to a correct value.

Additional Data
Error value:
%3 %4

1546

Microsoft-Windows-ActiveDirectory_DomainService

 While replicating the following schema object, a conflict was detected with the following existing attribute.

Schema object:
%1
Attribute:
%2

As a result, inbound replication from the directory service with conflicting schema will fail on the local directory service.

User Action
If the attribute definition in the local database is corrupted, restore the directory service from backup media that was created earlier than the attribute schema object was modified.

Time of last modification:
%4

Additional Data
Error value:
%5 %3

1547

Microsoft-Windows-ActiveDirectory_DomainService

 While replicating the following schema object, a conflict was detected with the following existing schema class.

Schema object:
%1
Class:
%2

As a result, inbound replication from the directory service with conflicting schema will fail on the local directory service.

User Action
If the class definition in the local database is corrupted, try restoring the directory service from backup media that was created earlier than the class schema object was modified.

Time of last modification:
%4

Additional Data
Error value:
%5 %3

1582

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM schema cache has been updated successfully.

1840

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM deleted the following unneeded substring index.

Substring index:
%1

Additional Data
AttributeID:
%2

1841

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM could not delete the following unneeded substring index.

Substring index:
%1

Additional Data
Error value:
%3 %4
Internal ID:
%2

1845

Microsoft-Windows-ActiveDirectory_DomainService

 The governsID attribute value for the following schema class duplicates the governsID value for an existing class.

Class:
%1 (%2)
Existing class:
%3

Both classes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1846

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: AD_TERM is ignoring the following deactivated schema object.

deactivated schema object:
%1 (%2, %3)

1847

Microsoft-Windows-ActiveDirectory_DomainService

 The governsID attribute value for the following schema class duplicates the AttributeID value for an existing attribute.

Class:
%1 (%2)
Existing attribute:
%3 (%4, %5)

The class and the attribute are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1848

Microsoft-Windows-ActiveDirectory_DomainService

 The schemaIdGuid attribute value for the following schema class duplicates the schemaIdGuid value for an existing class.

Class:
%1 (%2)
Existing class:
%3 (%4)

Both classes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1849

Microsoft-Windows-ActiveDirectory_DomainService

 The ldapDisplayName attribute value for the following schema class duplicates the ldapDisplayName value for an existing class.

Class:
%1 (%2)
Existing class:
%3 (%4)

Both classes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1850

Microsoft-Windows-ActiveDirectory_DomainService

 The ldapDisplayName attribute value for the following schema class duplicates the ldapDisplayName value for an existing attribute.

Class:
%1 (%2)
Existing attribute:
%3 (%4, %5)

The class and the attribute are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action %If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1851

Microsoft-Windows-ActiveDirectory_DomainService

 The AttributeID value for the following attribute duplicates the AttributeID value for the following existing attribute.

Attribute:
%1 (%2, %3)
Existing attribute:
%4 (%5, %6)

Both attributes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1852

Microsoft-Windows-ActiveDirectory_DomainService

 The schemaIdGuid value for the following attribute duplicates the schemaIdGuid value for an existing attribute.

Attribute:
%1 (%2, %3)
Existing attribute:
%4 (%5, %6)

Both attributes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1853

Microsoft-Windows-ActiveDirectory_DomainService

 The mapiID value for the following attribute duplicates the mapiID value for an existing attribute.

Attribute:
%1 (%2, %3)
Existing attribute:
%4 (%5, %6)

Both attributes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1854

Microsoft-Windows-ActiveDirectory_DomainService

 The ldapDisplayName value for the following attribute duplicates the ldapDisplayName value for an existing attribute.

Attribute:
%1 (%2, %3)
Existing attribute:
%4 (%5, %6)

Both attributes are considered deactivated (as if the isDefunct attribute value were TRUE). The condition will resolve itself after the schema directory partition has replicated successfully.

User Action
If this event continues to occur, initiate a replication cycle with all replication partners of the local directory service. If the condition persists, deactivate one of the above classes by setting the isDefunct value to TRUE.

1855

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: The following attribute for the following schema class has been reactivated because it is the rdnAttid attribute for the class.

Attribute:
%1 (%2, %3)
Class:
%4 (%5)

1895

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: A conflict occurred between two attributes for the same Attribute ID. The following attribute will be used.

Attribute name:
%1
Attribute Internal ID:
%2
Attribute External ID:
%3

1896

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: A conflict occurred between two attributes for the same LDAP display name. The following attribute will be used.

Attribute name:
%1
Attribute Internal ID:
%2
Attribute External ID:
%3

1897

Microsoft-Windows-ActiveDirectory_DomainService

 Internal event: A conflict occurred between two attributes for the same MAPI ID. The following attribute will be used.

Attribute name:
%1
Attribute Internal ID:
%2
Attribute External ID:
%3
MAPI-ID:
%4

Schema Directory Partition

Active Directory