2818988 - Trust Agent Does Not Work With Error: Credentials not found, the configuration is empty / Authentication Method true is not supported - SAP Solution Manager 7.2

• After connecting the Diagnostics Agent in the Solution Manager. The Agent appears on the Non-Authenticated tab of Agent Admin. When you try to trust the Agent, it does not get authenticated / appears online and comes back on the Non-Authenticated tab.
• In the SMDSystem.log you may see following errors:

javax.naming.NoPermissionException: client solman certificate not found, the configuration seems empty.
at com.sap.smd.agent.connection.ConnectionProperties.checkAuthenticationSettings(ConnectionProperties.java:234)
at com.sap.smd.agent.connection.SMDConnectionTask.internalAttemptConnection(SMDConnectionTask.java:313)
at com.sap.smd.agent.connection.SMDConnectionTask.access$000(SMDConnectionTask.java:50)
at com.sap.smd.agent.connection.SMDConnectionTask$1.run(SMDConnectionTask.java:92)
at com.sap.smd.agent.connection.P4JNDIContextHelper.executeInSecurityContext(P4JNDIContextHelper.java:141)
at com.sap.smd.agent.connection.SMDConnectionTask.attemptConnection(SMDConnectionTask.java:87)
at com.sap.smd.agent.connection.SMDConnectionTask.run(SMDConnectionTask.java:894)
at java.lang.Thread.run(Thread.java:836)
J2EE connection - missing credentials
Authentication method: basic
Exception: javax.naming.NoPermissionException: client certificate not found, the configuration seems empty.

[EXCEPTION]
javax.naming.NoPermissionException: Authentication Methodtruenot supported
at com.sap.smd.agent.connection.ConnectionProperties.checkAuthenticationSettings(ConnectionProperties.java:375)
at com.sap.smd.agent.connection.SMDConnectionTask.internalAttemptConnection(SMDConnectionTask.java:309)
at com.sap.smd.agent.connection.SMDConnectionTask.access$000(SMDConnectionTask.java:50)
at com.sap.smd.agent.connection.SMDConnectionTask$1.run(SMDConnectionTask.java:90)
at com.sap.smd.agent.connection.P4JNDIContextHelper.executeInSecurityContext(P4JNDIContextHelper.java:141)
at com.sap.smd.agent.connection.SMDConnectionTask.attemptConnection(SMDConnectionTask.java:85)
at com.sap.smd.agent.connection.SMDConnectionTask.run(SMDConnectionTask.java:889)
at java.lang.Thread.run(Thread.java:836)

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

SAP Solution Manager 7.2

smdagent, ping reject, agent not known, J2EE connection missing credentials, "Authentication Method true is not supported", trust agents, trust agent, SMDSystem.log. , KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem