diff --git a/docker-compose.yml b/docker-compose.yml
index e6e0dbdab..4fc5dc811 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -32,7 +32,7 @@ services:
       - /mnt/appdata/pdfs:/var/lib/salix/pdfs
       - /mnt/appdata/dms:/var/lib/salix/dms
       - /mnt/appdata/image:/var/lib/salix/image
-      - /mnt/appdata/access:/var/lib/salix/access
+      - /mnt/appdata/vn-access:/var/lib/salix/vn-access
     deploy:
       replicas: ${BACK_REPLICAS:?}
       placement:
diff --git a/loopback/server/datasources.json b/loopback/server/datasources.json
index 7d2a6c117..86ec7d10f 100644
--- a/loopback/server/datasources.json
+++ b/loopback/server/datasources.json
@@ -103,7 +103,7 @@
         "name": "accessStorage",
         "connector": "loopback-component-storage",
         "provider": "filesystem",
-        "root": "./storage/access/branches",
+        "root": "./storage/access",
         "maxFileSize": "2621440000",
         "allowedContentTypes": [
             "application/x-7z-compressed"
diff --git a/modules/mdb/back/methods/mdbVersion/upload.js b/modules/mdb/back/methods/mdbVersion/upload.js
index 2109f2b4f..fa32fca97 100644
--- a/modules/mdb/back/methods/mdbVersion/upload.js
+++ b/modules/mdb/back/methods/mdbVersion/upload.js
@@ -52,6 +52,7 @@ module.exports = Self => {
             myOptions.transaction = tx;
         }
 
+        let srcFile;
         try {
             const tempContainer = await TempContainer.container('access');
             const uploaded = await TempContainer.upload(tempContainer.name, ctx.req, ctx.result, fileOptions);
@@ -61,23 +62,64 @@ module.exports = Self => {
             const uploadedFile = files[0];
 
             const file = await TempContainer.getFile(tempContainer.name, uploadedFile.name);
-            const srcFile = path.join(file.client.root, file.container, file.name);
-            const accessContainer = await AccessContainer.container(branch);
-            const destinationFile = path.join(accessContainer.client.root, branch, `${appName}${newVersion}.7z`);
+            srcFile = path.join(file.client.root, file.container, file.name);
 
-            await fs.move(srcFile, destinationFile, {
-                overwrite: true
-            });
+            const accessContainer = await AccessContainer.container('.archive');
+            const destinationFile = path.join(
+                accessContainer.client.root, accessContainer.name, appName, `${newVersion}.7z`);
 
-            await models.MdbVersion.create({
-                app: appName,
-                version: newVersion,
-                branchFk: branch
+            if (process.env.NODE_ENV == 'test') {
+                try {
+                    await fs.unlink(srcFile);
+                } catch (e) {}
+            } else {
+                await fs.move(srcFile, destinationFile, {
+                    overwrite: true
+                });
+                await fs.chmod(destinationFile, 0o644);
+
+                const branchPath = path.join(accessContainer.client.root, 'branches', branch);
+                await fs.mkdir(branchPath, {recursive: true});
+
+                const destinationBranch = path.join(branchPath, `${appName}.7z`);
+                const destinationRoot = path.join(accessContainer.client.root, `${appName}.7z`);
+                try {
+                    await fs.unlink(destinationBranch);
+                } catch (e) {}
+                await fs.symlink(destinationFile, destinationBranch);
+
+                if (branch == 'master') {
+                    try {
+                        await fs.unlink(destinationRoot);
+                    } catch (e) {}
+                    await fs.symlink(destinationFile, destinationRoot);
+                }
+            }
+
+            const version = await models.MdbVersion.findOne({
+                where: {
+                    app: appName,
+                    branchFk: branch
+                }
             }, myOptions);
 
+            if (!version) {
+                return await models.MdbVersion.create({
+                    app: appName,
+                    branchFk: branch,
+                    version: newVersion
+                });
+            }
+
+            await version.updateAttributes({version: newVersion}, myOptions);
+
             if (tx) await tx.commit();
         } catch (e) {
             if (tx) await tx.rollback();
+
+            if (await fs.stat(srcFile))
+                await fs.unlink(srcFile);
+
             throw e;
         }
     };
diff --git a/modules/mdb/back/models/mdbVersion.json b/modules/mdb/back/models/mdbVersion.json
index 0fd86e4a5..02635ff8a 100644
--- a/modules/mdb/back/models/mdbVersion.json
+++ b/modules/mdb/back/models/mdbVersion.json
@@ -9,7 +9,8 @@
     "properties": {
         "app": {
             "type": "string",
-            "description": "The app name"
+            "description": "The app name",
+            "id": true
         },
         "version": {
             "type": "number"