@@ -12,7 +12,7 @@ pipeline {

         booleanParam(name: 'amd64', defaultValue: true, description: 'amd64 (x86_64) Build/Test')

         booleanParam(name: 's390x', defaultValue: true, description: 'IBM Z (s390x) Build/Test')

         booleanParam(name: 'ppc64le', defaultValue: true, description: 'PowerPC (ppc64le) Build/Test')

-        booleanParam(name: 'windowsRS1', defaultValue: true, description: 'Windows 2016 (RS1) Build/Test')

+        booleanParam(name: 'windowsRS1', defaultValue: false, description: 'Windows 2016 (RS1) Build/Test')

         booleanParam(name: 'windowsRS5', defaultValue: true, description: 'Windows 2019 (RS5) Build/Test')

         booleanParam(name: 'skip_dco', defaultValue: false, description: 'Skip the DCO check')

     }

@@ -689,7 +689,11 @@ pipeline {

                 stage('win-RS1') {

                     when {

                         beforeAgent true

-                        expression { params.windowsRS1 }

+                        // Skip this stage on PRs unless the windowsRS1 checkbox is selected

+                        anyOf {

+                            not { changeRequest() }

+                            expression { params.windowsRS1 }

+                        }

                     }

                     environment {

                         DOCKER_BUILDKIT        = '0'