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2467194 - Error:service'?'unknown when selecting "Group/Server Selection" in SAP Logon

Symptom

In "System Entry Properties" screen from SAP Logon, when selecting Connection Type: "Group/Server Selection", below error message is displayed:
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Group/server does not exist, select another one
Error:service'?'unknown
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In the meanwhile, when log on to SAP system (double click on SAP system) from SAP Logon, below error message is displayed:
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Logon balancing error 88: Cannot connect to message server (rc=9)
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Environment

SAPGUI release independent

Keywords

SAP GUI for Windows; SAPGUI; SAP GUI window, Logon balancing error 88, logon balancing error, Cannot connect to message server, Group/server does not exist, service unknown, services. , KBA , BC-FES-GUI , SAP GUI for Windows , BC-CST-LG , Logon group based load balancing , Problem

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