How To Fix LDAPRC021 - Invalid syntax

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAPRC - LDAP Interface Messages in C

• Message number: 021

• Message text: Invalid syntax

What causes this issue?

The directory rejected the entry transferred to it.
The probable cause is that rules have been set in the directory for
entries for the specified object class that this entry does not fulfill.
For example, required attributes may not have been filled with values.

System Response

This is a reconciliation problem between the directory schema and the
mapping setting for the LDAP server.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Correct the mapping for the LDAP server. To obatain detailed information
about the cause of the problem, check the log files of the directory
server.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LDAPRC021 - Invalid syntax ?

  The SAP error message LDAPRC021 "Invalid syntax" typically occurs when there is an issue with the syntax of the LDAP (Lightweight Directory Access Protocol) query or configuration. This error can arise in various contexts, such as when configuring LDAP authentication in SAP systems or when performing LDAP queries.
  Causes:
  
  Incorrect LDAP Query Syntax: The LDAP query may not conform to the expected syntax, such as missing required attributes or using incorrect operators.
  Invalid Attribute Names: The attributes specified in the query may not exist in the LDAP directory schema or may be misspelled.
  Improperly Formatted Filters: The filter used in the LDAP query may be incorrectly formatted, leading to syntax errors.
  Configuration Issues: There may be issues in the LDAP configuration settings within the SAP system, such as incorrect base DN (Distinguished Name) or search scope.
  Character Encoding Issues: Special characters in the query or configuration may not be properly encoded, leading to syntax errors.
  
  Solutions:
  
  Review LDAP Query: Check the LDAP query for any syntax errors. Ensure that it follows the correct format and includes all necessary components.
  Validate Attribute Names: Verify that all attribute names used in the query are valid and exist in the LDAP schema.
  Check Filters: Ensure that the filters used in the query are correctly formatted. For example, filters should be enclosed in parentheses and use valid operators.
  Examine Configuration Settings: Review the LDAP configuration settings in the SAP system. Ensure that the base DN, search scope, and other parameters are correctly set.
  Test with LDAP Tools: Use LDAP tools (like ldapsearch) to test the query independently of SAP. This can help identify if the issue is with the query itself or the SAP configuration.
  Check for Special Characters: If your query or configuration includes special characters, ensure they are properly escaped or encoded.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to LDAP integration and authentication for any known issues or updates.
  LDAP Documentation: Refer to LDAP documentation for the correct syntax and examples of queries.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Logs and Traces: Review SAP system logs and traces for additional error messages or context that may help diagnose the issue.
  
  If the problem persists after checking these areas, consider reaching out to SAP support for further assistance.