3766853 - "User credentials are invalid or user is denied access" error issue after changing passwords of PI service users in Java Only PI system

After changing passwords for PI service users in "XPI Service: All Config Service" and restarting AS JAVA, observed below errors:

1. Login failures in Log Viewer:
   
   LOGIN.FAILED
   User: PIAF<SID>
   IP Address: <IP_ADDRESS> 
   Authentication Stack: sap.com/com.sap.lcr*sld
   
   com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule   REQUISITE   ok          exception             true       Authentication did not succeed.

2.  Cache connectivity test fails with:

   "This monitor cannot be used, because the type of the system does not allow it (DAE, CE, etc.)."

3. NWA -> SLD Registration:
   

The error stack visible in the default traces is

No SLD elements of type SAP_XIAdapterFramework found
Thrown:
com.sap.aii.ib.bom.landscape.SLDElementNotFoundException: No SLD elements of type SAP_XIAdapterFramework found
    at com.sap.aii.ib.server.sldquery.SLDQueryRequester.getMyAdapterFrameworkArray(SLDQueryRequester.java:1203)
    at com.sap.aii.ib.server.abapcache.sld.AdapterEngineQueries.getAllAdapterEnginesWithVersion(AdapterEngineQueries.java:184)
    at com.sap.aii.ibdir.server.cache.monitoring.CacheMonitor.listAvailableCacheInstances(CacheMonitor.java:62)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    ......
Caused by: com.sap.aii.ib.core.extobjects.ExternalOasProcessException: An error occurred when accessing the SLD server
    at com.sap.aii.ib.server.sldaccess.SLDElementAccessor.getExtObjects(SLDElementAccessor.java:77)
    at com.sap.aii.ib.server.extobjects.EOAServiceImpl.getExtObjects(EOAServiceImpl.java:62)
    at com.sap.aii.ib.server.sldquery.SLDQueryRequester.getMyAdapterFrameworkArray(SLDQueryRequester.java:1198)
    ... 43 more
Caused by: com.sap.aii.utilxi.misc.api.ResourceException: An error occurred when accessing the SLD server
    at com.sap.aii.ib.server.sldquery.SLDCache.actualize(SLDCache.java:46)
    at com.sap.aii.utilxi.core.cache.MapBasedCache.getValue(MapBasedCache.java:125)
    at com.sap.aii.utilxi.core.cache.Cache.getSingleValue(Cache.java:112)
    at com.sap.aii.utilxi.core.cache.Cache.get(Cache.java:87)
    at com.sap.aii.utilxi.core.cache.Cache.getValue(Cache.java:204)
    at com.sap.aii.utilxi.core.cache.Cache.getSingleValue(Cache.java:112)
    at com.sap.aii.utilxi.core.cache.Cache.get(Cache.java:87)
    at com.sap.aii.utilxi.core.cache.Cache.getValue(Cache.java:204)
    at com.sap.aii.utilxi.core.cache.Cache.getSingleValue(Cache.java:112)
    at com.sap.aii.utilxi.core.cache.Cache.get(Cache.java:87)
    at com.sap.aii.ib.server.sldaccess.SLDElementAccessor.performStandardQuery(SLDElementAccessor.java:194)
    at com.sap.aii.ib.server.sldaccess.SLDElementAccessor.performAssociatorChainQuery(SLDElementAccessor.java:144)
    at com.sap.aii.ib.server.sldaccess.SLDElementAccessor.getExtObjects(SLDElementAccessor.java:65)
    ... 45 more
Caused by: com.sap.aii.ib.server.sldquery.SLDQueryException: An error occurred when accessing the SLD server
    at com.sap.aii.ib.server.sldquery.SLDQuery.readSLDElementAssociatorKeyList(SLDQuery.java:469)
    at com.sap.aii.ib.server.sldquery.SLDQuery.selectSLDElementList(SLDQuery.java:97)
    at com.sap.aii.ib.server.sldquery.SLDCache.actualize(SLDCache.java:41)
    ... 57 more
Caused by: com.sap.lcr.api.cimclient.LcrException: User credentials are invalid or user is denied access
    at com.sap.aii.ib.server.sldaccess.SLDReader.getCIMInstance(SLDReader.java:341)
    at com.sap.aii.ib.server.sldquery.SLDQuery.readSLDElementAssociatorKeyList(SLDQuery.java:437)
    ... 59 more

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• SAP NetWeaver
• SAP Process Integration
• Central SLD

pi/po, xpi service all config service, service user, password change, SLD, Self-registration, Self, Registration, cache connectivity test , KBA , BC-XI-CON-AFW-SLD , SLD Registration , BC-XI-CON-AFW-AAE , Advanced Adapter Engine , BC-XI-IBF-AUT , Roles & Authorizations for ESR / IB Objects , BC-JAS-SEC-UME , User Management Engine , BC-JAS-SEC , Security, User Management , BC-XI-IBC , Integration Builder - Configuration , Problem