diff --git a/plugins/scm-activedirectory-auth-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-activedirectory-auth-plugin/src/main/resources/META-INF/scm/plugin.xml
index 3d67900c41..921bd41c82 100644
--- a/plugins/scm-activedirectory-auth-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-activedirectory-auth-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -44,4 +44,10 @@
     <url>${project.url}</url>
   </information>
 
+  <conditions>
+    <os>
+      <name>windows</name>
+    </os>
+  </conditions>
+  
 </plugin>
diff --git a/plugins/scm-bzr-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-bzr-plugin/src/main/resources/META-INF/scm/plugin.xml
index 451c4a6467..e48d8e32d7 100644
--- a/plugins/scm-bzr-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-bzr-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -52,6 +52,10 @@
     <url>${project.url}</url>
   </information>
 
+  <conditions>
+    <min-version>1.1</min-version>
+  </conditions>
+
   <resources>
     <script>/sonia/scm/bzr.config.js</script>
   </resources>
diff --git a/plugins/scm-git-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-git-plugin/src/main/resources/META-INF/scm/plugin.xml
index 3ccdb97d5d..798c2298e0 100644
--- a/plugins/scm-git-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-git-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -52,6 +52,10 @@
     <url>${project.url}</url>
   </information>
 
+  <conditions>
+    <min-version>1.1</min-version>
+  </conditions>
+
   <resources>
     <script>/sonia/scm/git.config.js</script>
   </resources>
diff --git a/plugins/scm-hg-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-hg-plugin/src/main/resources/META-INF/scm/plugin.xml
index 01bd5acc25..caaf2b952a 100644
--- a/plugins/scm-hg-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-hg-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -52,6 +52,10 @@
     <url>${project.url}</url>
   </information>
 
+  <conditions>
+    <min-version>1.1</min-version>
+  </conditions>
+
   <resources>
     <script>/sonia/scm/hg.config.js</script>
   </resources>
diff --git a/plugins/scm-pam-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-pam-plugin/src/main/resources/META-INF/scm/plugin.xml
index 3654a09708..a2472b53ce 100644
--- a/plugins/scm-pam-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-pam-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -44,6 +44,12 @@
     <url>${project.url}</url>
   </information>
 
+  <conditions>
+    <os>
+      <name>posix</name>
+    </os>
+  </conditions>
+
   <resources>
     <script>/sonia/scm/pam/sonia.pam.js</script>
   </resources>
diff --git a/plugins/scm-svn-plugin/src/main/resources/META-INF/scm/plugin.xml b/plugins/scm-svn-plugin/src/main/resources/META-INF/scm/plugin.xml
index 9a0d6721cb..165fdb57cf 100644
--- a/plugins/scm-svn-plugin/src/main/resources/META-INF/scm/plugin.xml
+++ b/plugins/scm-svn-plugin/src/main/resources/META-INF/scm/plugin.xml
@@ -51,6 +51,10 @@
     <author>Sebastian Sdorra</author>
     <url>${project.url}</url>
   </information>
+
+  <conditions>
+    <min-version>1.1</min-version>
+  </conditions>
   
   <resources>
     <script>/sonia/scm/svn.config.js</script>