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3296430 - 503-Service not available: SSL peer certificate expired

Symptom

When trying to access a system through a SAP Web Dispatcher, a "503 Service not available" message is returned.

The dev_webdisp trace file has the following entries:

*** ERROR => Read info from <sid> message server <message server host> failed: SSL peer certificate expired(-47), see also SAP note 1528396 [icrxx.c      4324]

Where <sid> is the system id you want to connect to via the SAP Web Dispatcher

or in WDP admin page -> Backend System Configuration Info, the below warning info:
Read info from message server failed: SSL peer certificate expired. 
Refer to SAP note 1528396


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Environment

SAP Web Dispatcher
SAP Netweaver
ABAP Platform

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Dispatcher all versions

Keywords

Read info from message server failed, SSL peer certificate expired(-47), certified expired, service not available, 503 , KBA , BC-CST-WDP , Web Dispatcher , Problem

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