diff --git a/server/bundles/io.cloudbeaver.server/db/cb-schema-create.sql b/server/bundles/io.cloudbeaver.server/db/cb-schema-create.sql
index 0133e18035..2bedb9e1f1 100644
--- a/server/bundles/io.cloudbeaver.server/db/cb-schema-create.sql
+++ b/server/bundles/io.cloudbeaver.server/db/cb-schema-create.sql
@@ -9,18 +9,18 @@ CREATE TABLE CB_SERVER(
 );
 
 CREATE TABLE CB_AUTH_SUBJECT(
-    SUBJECT_ID VARCHAR(64) NOT NULL,
+    SUBJECT_ID VARCHAR(128) NOT NULL,
     SUBJECT_TYPE VARCHAR(8) NOT NULL,
 
     PRIMARY KEY(SUBJECT_ID)
 );
 
 CREATE TABLE CB_AUTH_PERMISSIONS(
-    SUBJECT_ID VARCHAR(32) NOT NULL,
+    SUBJECT_ID VARCHAR(128) NOT NULL,
     PERMISSION_ID VARCHAR(64) NOT NULL,
 
     GRANT_TIME TIMESTAMP NOT NULL,
-    GRANTED_BY VARCHAR(64) NOT NULL,
+    GRANTED_BY VARCHAR(128) NOT NULL,
 
     PRIMARY KEY(SUBJECT_ID,PERMISSION_ID),
     FOREIGN KEY(SUBJECT_ID) REFERENCES CB_AUTH_SUBJECT(SUBJECT_ID) ON DELETE CASCADE
@@ -28,17 +28,17 @@ CREATE TABLE CB_AUTH_PERMISSIONS(
 
 CREATE TABLE CB_DATASOURCE_ACCESS(
     DATASOURCE_ID VARCHAR(128) NOT NULL,
-    SUBJECT_ID VARCHAR(32) NOT NULL,
+    SUBJECT_ID VARCHAR(128) NOT NULL,
 
     GRANT_TIME TIMESTAMP NOT NULL,
-    GRANTED_BY VARCHAR(64) NOT NULL,
+    GRANTED_BY VARCHAR(128) NOT NULL,
 
     PRIMARY KEY(SUBJECT_ID,DATASOURCE_ID),
     FOREIGN KEY(SUBJECT_ID) REFERENCES CB_AUTH_SUBJECT(SUBJECT_ID) ON DELETE CASCADE
 );
 
 CREATE TABLE CB_USER(
-    USER_ID VARCHAR(64) NOT NULL,
+    USER_ID VARCHAR(128) NOT NULL,
 
     IS_ACTIVE CHAR(1) NOT NULL,
     CREATE_TIME TIMESTAMP NOT NULL,
@@ -49,7 +49,7 @@ CREATE TABLE CB_USER(
 
 -- Additional user properties (profile)
 CREATE TABLE CB_USER_META(
-    USER_ID VARCHAR(64) NOT NULL,
+    USER_ID VARCHAR(128) NOT NULL,
     META_ID VARCHAR(32) NOT NULL,
     META_VALUE VARCHAR(1024),
 
@@ -58,7 +58,7 @@ CREATE TABLE CB_USER_META(
 );
 
 CREATE TABLE CB_ROLE(
-    ROLE_ID VARCHAR(32) NOT NULL,
+    ROLE_ID VARCHAR(128) NOT NULL,
     ROLE_NAME VARCHAR(100) NOT NULL,
     ROLE_DESCRIPTION VARCHAR(255) NOT NULL,
 
@@ -69,11 +69,11 @@ CREATE TABLE CB_ROLE(
 );
 
 CREATE TABLE CB_USER_ROLE(
-    USER_ID VARCHAR(64) NOT NULL,
-    ROLE_ID VARCHAR(32) NOT NULL,
+    USER_ID VARCHAR(128) NOT NULL,
+    ROLE_ID VARCHAR(128) NOT NULL,
 
     GRANT_TIME TIMESTAMP NOT NULL,
-    GRANTED_BY VARCHAR(32) NOT NULL,
+    GRANTED_BY VARCHAR(128) NOT NULL,
 
     PRIMARY KEY(USER_ID,ROLE_ID),
     FOREIGN KEY(USER_ID) REFERENCES CB_USER(USER_ID) ON DELETE CASCADE,
@@ -97,7 +97,7 @@ CREATE TABLE CB_AUTH_CONFIGURATION(
 );
 
 CREATE TABLE CB_USER_CREDENTIALS(
-    USER_ID VARCHAR(64) NOT NULL,
+    USER_ID VARCHAR(128) NOT NULL,
     PROVIDER_ID VARCHAR(32) NOT NULL,
     CRED_ID VARCHAR(32) NOT NULL,
     CRED_VALUE VARCHAR(1024) NOT NULL,
@@ -109,7 +109,7 @@ CREATE TABLE CB_USER_CREDENTIALS(
 CREATE INDEX CB_USER_CREDENTIALS_SEARCH_IDX ON CB_USER_CREDENTIALS(PROVIDER_ID,CRED_ID);
 
 CREATE TABLE CB_USER_STATE(
-    USER_ID VARCHAR(64) NOT NULL,
+    USER_ID VARCHAR(128) NOT NULL,
 
     USER_CONFIGURATION TEXT NULL,
 
@@ -121,7 +121,7 @@ CREATE TABLE CB_USER_STATE(
 
 CREATE TABLE CB_SESSION(
     SESSION_ID VARCHAR(64) NOT NULL,
-    USER_ID VARCHAR(64) NULL,
+    USER_ID VARCHAR(128) NULL,
 
     CREATE_TIME TIMESTAMP NOT NULL,
     LAST_ACCESS_REMOTE_ADDRESS NULL,
diff --git a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBDatabase.java b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBDatabase.java
index 798e19c201..d3bcaddf14 100644
--- a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBDatabase.java
+++ b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBDatabase.java
@@ -172,6 +172,8 @@ public class CBDatabase {
         // Create new admin user
         if (!CommonUtils.isEmpty(adminName) && !CommonUtils.isEmpty(adminPassword)) {
             createAdminUser(adminName, adminPassword);
+        } else {
+            grantAdminPermissionsToUser(adminName);
         }
     }
 
@@ -344,16 +346,21 @@ public class CBDatabase {
             serverController.setUserCredentials(adminUser.getUserId(), authProvider, credentials);
         }
 
-        // Grant all roles
-        WebRole[] allRoles = serverController.readAllRoles();
-        serverController.setUserRoles(
-            adminUser.getUserId(),
-            Arrays.stream(allRoles).map(WebRole::getRoleId).toArray(String[]::new),
-            adminUser.getUserId());
+        grantAdminPermissionsToUser(adminUser.getUserId());
 
         return adminUser;
     }
 
+    private void grantAdminPermissionsToUser(String userId) throws DBCException {
+        // Grant all roles
+        DBWSecurityController securityController = application.getSecurityController();
+        WebRole[] allRoles = securityController.readAllRoles();
+        securityController.setUserRoles(
+            userId,
+            Arrays.stream(allRoles).map(WebRole::getRoleId).toArray(String[]::new),
+            userId);
+    }
+
     void shutdown() {
         log.debug("Shutdown database");
         if (cbDataSource != null) {
diff --git a/server/bundles/io.cloudbeaver.service.admin/src/io/cloudbeaver/service/admin/impl/WebServiceAdmin.java b/server/bundles/io.cloudbeaver.service.admin/src/io/cloudbeaver/service/admin/impl/WebServiceAdmin.java
index cd229569c8..0c1a5e59ca 100644
--- a/server/bundles/io.cloudbeaver.service.admin/src/io/cloudbeaver/service/admin/impl/WebServiceAdmin.java
+++ b/server/bundles/io.cloudbeaver.service.admin/src/io/cloudbeaver/service/admin/impl/WebServiceAdmin.java
@@ -298,10 +298,18 @@ public class WebServiceAdmin implements DBWServiceAdmin {
             appConfig.setAnonymousAccessEnabled(config.isAnonymousAccessEnabled());
             appConfig.setAuthenticationEnabled(config.isAuthenticationEnabled());
             appConfig.setSupportsCustomConnections(config.isCustomConnectionsEnabled());
+            String adminName = config.getAdminName();
+            String adminPassword = config.getAdminPassword();
+            if (CommonUtils.isEmpty(adminName)) {
+                // Grant admin permissions to the current user
+                WebUser curUser = webSession.getUser();
+                adminName = curUser == null ? null : curUser.getUserId();
+                adminPassword = null;
+            }
             CBApplication.getInstance().finishConfiguration(
                 config.getServerName(),
-                config.getAdminName(),
-                config.getAdminPassword(),
+                adminName,
+                adminPassword,
                 config.getSessionExpireTime(),
                 appConfig);
             // Refresh active session