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Solution
To fix this issue…
Login to the Engine Tier where the MettleCI Workbench Service is running.
Open the file
/opt/IBM/InformationServer/ASBNode/eclipse/plugins/com.ibm.iis.client/iis.client.site.properties
for editing.Replace
com.ibm.iis.ssl.protocol=SSL_TLSv2
withcom.ibm.iis.ssl.protocol=TLSv1.2
Save the edited file and restart the MettleCI Workbench service
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