diff --git a/src/server/akonadi.cpp b/src/server/akonadi.cpp
--- a/src/server/akonadi.cpp
+++ b/src/server/akonadi.cpp
@@ -362,6 +362,9 @@
 
     // TODO: share socket setup with client
 #ifdef Q_OS_WIN
+    const QString serverConfigFile = StandardDirs::serverConfigFile(StandardDirs::ReadWrite);
+    QSettings settings(serverConfigFile, QSettings::IniFormat);
+
     // use the installation prefix as uid
     QString suffix;
     if (Instance::hasIdentifier()) {