diff --git a/.github/workflows/smb-kerberos.yml b/.github/workflows/smb-kerberos.yml
index 2875a7f4fbd20..97f95301306ef 100644
--- a/.github/workflows/smb-kerberos.yml
+++ b/.github/workflows/smb-kerberos.yml
@@ -6,14 +6,18 @@ on:
       - stable*
     paths:
       - 'apps/files_external/**'
+      - '.github/workflows/smb-kerberos.yml'
   pull_request:
     paths:
       - 'apps/files_external/**'
+      - '.github/workflows/smb-kerberos.yml'
 
 jobs:
   smb-kerberos-tests:
     runs-on: ubuntu-latest
 
+    if: ${{ github.repository_owner != 'nextcloud-gmbh' }}
+
     strategy:
       fail-fast: false
       matrix:
@@ -33,9 +37,12 @@ jobs:
           docker pull icewind1991/samba-krb-test-client
       - name: Setup AD-DC
         run: |
+          cp apps/files_external/tests/*.sh .
           mkdir data
           sudo chown -R 33 data apps config
-          apps/files_external/tests/setup-krb.sh
+          DC_IP=$(./start-dc.sh)
+          ./start-apache.sh $DC_IP $PWD
+          echo "DC_IP=$DC_IP" >> $GITHUB_ENV
       - name: Set up Nextcloud
         run: |
           docker exec --user 33 apache ./occ maintenance:install --verbose --database=sqlite --database-name=nextcloud --database-host=127.0.0.1 --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass password
@@ -44,7 +51,8 @@ jobs:
           # setup user_saml
           docker exec --user 33 apache ./occ app:enable user_saml --force
           docker exec --user 33 apache ./occ config:app:set user_saml type --value 'environment-variable'
-          docker exec --user 33 apache ./occ config:app:set user_saml general-uid_mapping --value REMOTE_USER
+          docker exec --user 33 apache ./occ saml:config:create
+          docker exec --user 33 apache ./occ saml:config:set 1 --general-uid_mapping=REMOTE_USER
 
           # setup external storage
           docker exec --user 33 apache ./occ app:enable files_external --force
@@ -54,19 +62,16 @@ jobs:
           docker exec --user 33 apache ./occ files_external:list
       - name: Test SSO
         run: |
-          mkdir cookies
-          chmod 0777 cookies
+          mkdir /tmp/shared/cookies
+          chmod 0777 /tmp/shared/cookies
 
-          DC_IP=$(docker inspect dc --format '{{.NetworkSettings.IPAddress}}')
-          docker run --rm --name client -v $PWD/cookies:/cookies -v /tmp/shared:/shared --dns $DC_IP --hostname client.domain.test icewind1991/samba-krb-test-client \
-            curl -c /cookies/jar -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/index.php/apps/user_saml/saml/login
-          CONTENT=$(docker run --rm --name client -v $PWD/cookies:/cookies -v /tmp/shared:/shared --dns $DC_IP --hostname client.domain.test icewind1991/samba-krb-test-client \
-            curl -b /cookies/jar -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/remote.php/webdav/smb/test.txt)
-          echo $CONTENT
-          CONTENT=$(echo $CONTENT | tr -d '[:space:]')
+          echo 'SAML login'
+          ./client-cmd.sh ${{ env.DC_IP }} curl -c /shared/cookies/jar -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/index.php/apps/user_saml/saml/login
+          echo 'Check we are logged in'
+          CONTENT=$(./client-cmd.sh ${{ env.DC_IP }} curl -b /shared/cookies/jar -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/remote.php/webdav/smb/test.txt)
+          CONTENT=$(echo $CONTENT | head -n 1 | tr -d '[:space:]')
           [[ $CONTENT == "testfile" ]]
 
-
   smb-kerberos-summary:
     runs-on: ubuntu-latest
     needs: smb-kerberos-tests