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2438266 - Error "No P4 connection could be established" in step "Maintain Users"

Symptom

The following error appears when executing step "Maintain Users" of Managed Systems Configuration for a Java system,

"An unexpected error occured; check details"

The error details as below can be seen,

No P4 connection could be established to <SID> from <Host of SOLMAN> 
Exception during getInitialContext operation. Wrong security principal/credentials.(cause=com.sap.engine.services.security.exceptions.BaseLoginException Cannot authenticate the user.)

Other error:

No P4 connection could be established to <SID> from <Host of SOLMAN> 
Exception during getInitialContext operation. No configuration found for key (<SID>/sapj2ee/msgserver/host)


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Environment

SAP Solution Manager 7.1

SAP Solution Manager 7.2

Product

SAP Solution Manager 7.1 ; SAP Solution Manager 7.2

Keywords

"An unexpected error occured"; "No P4 connection could be established"; "Exception during getInitialContext operation"; "Wrong security principal/credentials"; "Cannot authenticate the user"; No configuration found for key, ( /sapj2ee/msgserver/host),  , KBA , SV-SMG-INS-CFG-MNG , Managed System Configuration , Problem

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