Method Server throwing wt.org.OrganizationServicesIEException: javax.naming.CommunicationException in Windchill PDMLink

• Method server failed with the following error:

Nested exception is: (wt.services.servicesResource/21) wt.services.ManagerException: Unable to start manager: "wt.audit.AuditService" with implementation class: "wt.audit.StandardAuditService"
Nested exception is: wt.services.ManagerException: Could not initialize Auditing service.
Nested exception is: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException:
<OLD_LDAP_URL>pointed with <port>

• Windchill unable to start. Method server exits with error

  Nested exception is: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException: XXXX:389
  	at wt.org.LdapServices.queryParentsFromLdap(LdapServices.java:506)
  	at wt.org.LdapServices.populateImmediateParentMap(LdapServices.java:3034)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
  	at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
  	at com.sun.proxy.$Proxy74.populateImmediateParentMap(Unknown Source)

• Method Server throwing wt.org.OrganizationServicesIEException:
  

  javax.naming.CommunicationException in Windchill PDMLink
  
  ERROR [main] wt.method.server.startup.services  - Failure to start manager wt.audit.StandardAuditService wt.services.ManagerException: Could not initialize Auditing service.
  Nested exception is: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException: windchillds.domain.com:389
      at wt.org.LdapServices.queryPrincipalsFromLdap(LdapServices.java:1181)
  
  ERROR [main] wt.method.server.startup.services  - Failure to start manager wt.audit.StandardAuditService wt.services.ManagerException: Could not initialize Auditing service.
  Nested exception is: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException: ****.**:389
      at wt.org.LdapServices.queryPrincipalsFromLdap(LdapServices.java:1148)

• Unable to access Windchill UI with error code 500: 

Exception: wt.session.SessionUsers$PreLoginException: wt.util.WTException: wt.util.WTException: wt.util.WTRuntimeException: wt.org.OrganizationServicesIEException:
javax.naming.CommunicationException

Nested exception is: wt.util. WTRuntimeException: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException