Article - CS77583

Getting "LDAP: error code 53 - Rejecting the requested operation because the connection has not been authenticated" in Method Server logs in Windchill PDMLink

Modified: 31-Aug-2025   


Applies To

  • Windchill PDMLink 9.1 to 13.0
  • FlexPLM 9.1 to 12.1

Description

  • Following error message is displayed in Method Server log when user creates promotion request:

WfUserWorkQueue.PollingThread: wt.util.WTException: com.infoengine.exception.adapter.IEAdapterException; nested exception is:
WfUserWorkQueue.PollingThread: javax.naming.OperationNotSupportedException: [LDAP: error code 53 - Rejecting the requested operation because the connection has not been authenticated]; remaining name 'ou=...,dc=...'

  • Upgrade Manager may fail in different migrators with the same error:

Updating LWC base definition data
RequirementsLink type data loader

 
  • Method Server starts with an error in MethodServer.log 

 ERROR [main] wt.adapter.delegate.GetAdapterDelegateFactory  - Error in getMetaTypeForAtlas Exception: com.infoengine.exception.adapter.IEAdapterException; nested exception is:
javax.naming.OperationNotSupportedException: [LDAP: error code 53 - Rejecting the requested operation because the connection has not been authenticated]; remaining name 

OR

LDAP: error code 53 - Rejecting the requested operation because the connection has not been authenticated

 
  • Method Server is not getting started getting LDAP error code-53
  • WinDU(Windchill diagnostic Utility) task PrincipalValidator task failed and Method Server reported LDAP: error code 53
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