diff --git a/.github/workflows/amd64_windows_cmake_cpp.yml b/.github/workflows/amd64_windows_cmake_cpp.yml
index 18175b69de..d30baf8625 100644
--- a/.github/workflows/amd64_windows_cmake_cpp.yml
+++ b/.github/workflows/amd64_windows_cmake_cpp.yml
@@ -15,6 +15,8 @@ jobs:
       fail-fast: false
     name: Windows • ${{ matrix.cmake.generator }} (${{ matrix.cmake.config }}) • C++
     runs-on: windows-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
       - uses: actions/checkout@v4
       - name: Check cmake
diff --git a/.github/workflows/amd64_windows_cmake_dotnet.yml b/.github/workflows/amd64_windows_cmake_dotnet.yml
index fc8100fa3c..4e8e612092 100644
--- a/.github/workflows/amd64_windows_cmake_dotnet.yml
+++ b/.github/workflows/amd64_windows_cmake_dotnet.yml
@@ -14,6 +14,8 @@ jobs:
       fail-fast: false
     name: Windows • ${{ matrix.cmake.generator }} • .Net
     runs-on: windows-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
       - uses: actions/checkout@v4
       - name: Setup .NET 6.0
diff --git a/.github/workflows/amd64_windows_cmake_java.yml b/.github/workflows/amd64_windows_cmake_java.yml
index 1dc8056b8e..4f53556321 100644
--- a/.github/workflows/amd64_windows_cmake_java.yml
+++ b/.github/workflows/amd64_windows_cmake_java.yml
@@ -30,6 +30,8 @@ jobs:
       fail-fast: false
     name: Windows • ${{ matrix.cmake.generator }} • ${{ matrix.java.distrib }}-${{ matrix.java.version }}
     runs-on: windows-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
diff --git a/.github/workflows/amd64_windows_cmake_python.yml b/.github/workflows/amd64_windows_cmake_python.yml
index f280c787db..a8d0babfd6 100644
--- a/.github/workflows/amd64_windows_cmake_python.yml
+++ b/.github/workflows/amd64_windows_cmake_python.yml
@@ -20,6 +20,8 @@ jobs:
       fail-fast: false
     name: Windows • ${{ matrix.cmake.generator }} • Python-${{ matrix.python.version }}
     runs-on: windows-latest
+    env:
+      CTEST_OUTPUT_ON_FAILURE: 1
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4