diff --git a/protokollsystem/tasks/main.yml b/protokollsystem/tasks/main.yml
index 744e5489a010f4793782250bbe2ea8ae76df5fee..4bcbafc263e06eeca3edf06875157cdc6a1aee7f 100644
--- a/protokollsystem/tasks/main.yml
+++ b/protokollsystem/tasks/main.yml
@@ -76,6 +76,17 @@
     - protokollsystem
     - webservices
 
+- name: check our config
+  command: "{{protokolle_web_root}}/bin/python {{protokolle_web_root}}/configproxy.py check --log-level warning"
+  args:
+    chdir: "{{protokolle_web_root}}"
+  become: yes
+  become_user: "{{protokolle_user}}"
+  changed_when: no
+  tags:
+    - protokollsystem
+    - webservices
+
 - name: ensure data model upgrades are applied
   command: "{{protokolle_web_root}}/bin/python {{protokolle_web_root}}/server.py db upgrade"
   args:
diff --git a/protokollsystem/templates/config.py.j2 b/protokollsystem/templates/config.py.j2
index 9cea0c454412dfab2f7eb40d8be5d8cb9504912a..57e0880931701a48243858f72d5cc75e851cde7b 100644
--- a/protokollsystem/templates/config.py.j2
+++ b/protokollsystem/templates/config.py.j2
@@ -29,9 +29,8 @@ CELERY_ACCEPT_CONTENT = ["pickle"]
 SENTRY_DSN = "{{protokolle_sentry_dsn}}"
 {% endif %}
 
-# This breaks at least the installation at AStA (as of March 18th 2018)
-#SERVER_NAME = "{{ protokolle_url_root }}"
-#PREFERRED_URL_SCHEME = "{{ protokolle_url_proto }}"
+SERVER_NAME = "{{ protokolle_url_root }}"
+PREFERRED_URL_SCHEME = "{{ protokolle_url_proto }}"
 URL_ROOT = "{{ protokolle_url_root }}"
 URL_PROTO = "{{ protokolle_url_proto }}"
 URL_PATH = "{{ protokolle_url_path }}"
@@ -97,8 +96,7 @@ AUTH_BACKENDS = [
         domain="{{ auth.domain }}",
         user_dn="{{ auth.user_dn }}",
         group_dn="{{ auth.group_dn }}",
-        ca_cert="{{ auth.ca_cert }}",
-        obsolete={{ auth.obsolete }}),
+        ca_cert="{{ auth.ca_cert }}"),
 {% endfor %}
 ]