After upgrading to 14.3 CP2 the following error is returned when trying to create an Active Directory Endpoint in CA Identity Manager (IM).
Create Active Directory Endpoint "AD_Endpoint": Failed to execute CreateActiveDirectoryEndpoint. ERROR MESSAGE: Active Directory Endpoint 'AD_Endpoint' creation failed: Connector Server Add failed: code 17 (UNDEFINED_ATTRIBUTE_TYPE): failed to add entry eTADSDirectoryName=CDEV_Endpoint,eTNamespaceName=ActiveDirectory,dc=im,dc=etasa: eTADSMaxConnectionsInPool not found in attribute registry! (ldaps://*.*.*.*:20411)