diff --git a/Layout/default/AddressDB/Index.php b/Layout/default/AddressDB/Index.php
index b57172f53..a18723d6e 100644
--- a/Layout/default/AddressDB/Index.php
+++ b/Layout/default/AddressDB/Index.php
@@ -179,7 +179,7 @@
                   <a class="btn btn-secondary" href="<?=self::getUrl("AddressDB", "", ["resetFilter" => 1])?>">Filter zurücksetzen</a>
                   <button type="submit" formaction="<?=self::getUrl("AddressDB", "export")?>" id="export-button" class="btn btn-outline-success ml-2"><i class="fas fa-download"></i> CSV-Export Gebäude</button>
                   <button type="submit" formaction="<?=self::getUrl("AddressDB", "exportHomes")?>" id="export-button-homes" class="btn btn-outline-success ml-2"><i class="fas fa-download"></i> CSV-Export Homes</button>
-                    <?php if($me->can("ADBExtended")): ?>
+                    <?php if($me->can("ADBExtended") || $me->isAdmin()): ?>
                     <a class="btn btn-outline-secondary ml-2" href="<?=self::getUrl("ADBWohneinheit", "duplicate")?>"><i class="fas fa-fw fa-copy"></i> Doppelte Homes</a>
                     <?php endif; ?>
                 </div>
diff --git a/application/ADBWohneinheit/ADBWohneinheitModel.php b/application/ADBWohneinheit/ADBWohneinheitModel.php
index b9c031b9f..5de313a87 100644
--- a/application/ADBWohneinheit/ADBWohneinheitModel.php
+++ b/application/ADBWohneinheit/ADBWohneinheitModel.php
@@ -300,12 +300,12 @@ class ADBWohneinheitModel {
         if ($network_owner) $where .= " AND Network.owner_id = '" . FronkDB::singleton()->escape($network_owner) . "'";
 
         $sql = "SELECT Wohneinheit.extref, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id, Netzgebiet.name as netzgebiet_name, Address.company as netzgebiet_owner
-            FROM Wohneinheit
-            LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
-            LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-            LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
-            LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
-            WHERE $where AND Wohneinheit.extref IS NOT NULL AND Netzgebiet.name NOT LIKE 'SBIDI%'
+            FROM ". ADDRESSDB_DBNAME . ".Wohneinheit
+            LEFT JOIN ". ADDRESSDB_DBNAME . ".Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
+            LEFT JOIN ". ADDRESSDB_DBNAME . ".Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
+            LEFT JOIN ". FRONKDB_DBNAME .".Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
+            LEFT JOIN ". FRONKDB_DBNAME .".Address ON (Network.owner_id = Address.id)
+            WHERE $where AND Wohneinheit.extref IS NOT NULL
             GROUP BY Wohneinheit.extref, Hausnummer.netzgebiet_id
             HAVING COUNT(*) > 1
             ORDER BY COUNT(*) DESC";
@@ -329,11 +329,11 @@ class ADBWohneinheitModel {
         if (!empty($duplicateExtrefs)) {
             $extrefList = "'" . implode("','", array_map([$db, 'real_escape_string'], $duplicateExtrefs)) . "'";
             $detailSql = "SELECT Wohneinheit.*, thetool.Address.company AS company, Hausnummer.rimo_id AS hausnummer_extref
-          FROM Wohneinheit
-          LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
-          LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-          LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
-          LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
+          FROM ". ADDRESSDB_DBNAME .".Wohneinheit
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Address ON (Network.owner_id = Address.id)
           WHERE $where AND Wohneinheit.extref IN ($extrefList)
           ORDER BY Wohneinheit.extref";
 
@@ -367,11 +367,11 @@ class ADBWohneinheitModel {
         if ($network_owner) $where .= " AND Network.owner_id = '" . FronkDB::singleton()->escape($network_owner) . "'";
 
         $sql = "SELECT Wohneinheit.oaid, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id, Netzgebiet.name as netzgebiet_name, Address.company as netzgebiet_owner
-        FROM Wohneinheit
-        LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
-        LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-        LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
-        LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
+          FROM ". ADDRESSDB_DBNAME .".Wohneinheit
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Address ON (Network.owner_id = Address.id)
         WHERE $where AND Wohneinheit.oaid IS NOT NULL
         GROUP BY Wohneinheit.oaid, Hausnummer.netzgebiet_id
         HAVING COUNT(*) > 1
@@ -396,11 +396,12 @@ class ADBWohneinheitModel {
         if (!empty($duplicateOaids)) {
             $oaidList = "'" . implode("','", array_map([$db, 'real_escape_string'], $duplicateOaids)) . "'";
             $detailSql = "SELECT Wohneinheit.*, thetool.Address.company AS company, Hausnummer.rimo_id AS hausnummer_extref
-            FROM Wohneinheit
-            LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
-            LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-            LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
-            LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
+
+          FROM ". ADDRESSDB_DBNAME .".Wohneinheit
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Address ON (Network.owner_id = Address.id)
             WHERE $where AND Wohneinheit.oaid IN ($oaidList)
             ORDER BY Wohneinheit.oaid";
 
@@ -434,11 +435,12 @@ class ADBWohneinheitModel {
         if ($network_owner) $where .= " AND Network.owner_id = '" . FronkDB::singleton()->escape($network_owner) . "'";
 
         $detailSql = "SELECT Wohneinheit.*, thetool.Address.company AS company, Hausnummer.rimo_id AS hausnummer_extref, Netzgebiet.name AS netzgebiet_name, Netzgebiet.id AS netzgebiet_id, Address.company as netzgebiet_owner
-            FROM Wohneinheit
-            LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
-            LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-            LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
-            LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
+
+          FROM ". ADDRESSDB_DBNAME .".Wohneinheit
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
+          LEFT JOIN ". ADDRESSDB_DBNAME .".Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
+          LEFT JOIN ". FRONKDB_DBNAME .".Address ON (Network.owner_id = Address.id)
             WHERE $where AND Wohneinheit.rimo_deleted = 1
             ORDER BY Wohneinheit.oaid";