GMU login error and Unable to login using ceritificate

Products

• CA API Gateway

Issue/Introduction

When we try to login using GMU getting unauthorized error. We are also unable to login via the client certificate from policy manager

javax.ws.rs.WebApplicationException: 401 Unauthorized
    at com.ca.gateway.rest.api.GatewayManagementGatewayClient$IP10Bundle.getAsItemReferenceType(Unknown Source)
    at com.ca.gateway.rest.api.resource.impl.BundleResource.getBundle(Unknown Source)
    at com.ca.gateway.rest.commandline.command.MigrateOutCommand.a(Unknown Source)
    at com.ca.gateway.rest.commandline.command.MigrateOutCommand.run(Unknown Source)
    at com.ca.gateway.rest.commandline.command.GatewayCommand.run(Unknown Source)
    at com.ca.gateway.rest.commandline.command.Command.runCommand(Unknown Source)
    at com.ca.gateway.rest.commandline.Main.main(Unknown Source)

Environment

API GW : 10.1

Resolution

Check in Manage Listen Ports the client authentication was set to None or Optional

If it is None, no certificate exchange can occur so set it to Optional and check if it works.