diff --git a/composer.lock b/composer.lock
index 450cf1052..647b7de2c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -84,9 +84,9 @@
             "require-dev": {
                 "acquia/coding-standards": "^2.0",
                 "composer/composer": "^2.2",
-                "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
+                "dealerdirect/phpcodesniffer-composer-installer": "^1.0.0",
                 "ergebnis/composer-normalize": "^2.30.2",
-                "phpro/grumphp-shim": "^1.5",
+                "phpro/grumphp-shim": "^2.2",
                 "phpunit/phpunit": "^9 || ^10"
             },
             "default-branch": true,
diff --git a/settings/config.settings.php b/settings/config.settings.php
new file mode 100644
index 000000000..cc9347153
--- /dev/null
+++ b/settings/config.settings.php
@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @file
+ * Controls configuration management settings.
+ */
+
+use Acquia\Blt\Robo\Common\EnvironmentDetector;
+
+/**
+ * Override config directories.
+ *
+ * BLT makes the assumption that, if using multisite, the default configuration
+ * directory should be shared between all multi-sites, and each multisite will
+ * override this selectively using configuration splits. However, some
+ * applications may prefer to manage the configuration for each multisite
+ * completely separately. If this is the case, they can
+ * set FALSE to $drs_override_config_directories
+ * and $drs_override_site_studio_sync_directories
+ * $settings['config_sync_directory'] = $dir . "/config/$site_dir"
+ * $settings['site_studio_sync'] =  $dir . "/sitestudio/$site_dir" in
+ * settings.php, and we will not overwrite it.
+ */
+// phpcs:ignore
+$drs_override_config_directories = !$drs_override_config_directories ?: TRUE;
+$drs_override_site_studio_sync_directories = !$drs_override_site_studio_sync_directories ?: TRUE;
+
+/**
+ * Site path.
+ *
+ * @var string $site_path
+ * This is always set and exposed by the Drupal Kernel.
+ */
+// phpcs:ignore
+$site_name = EnvironmentDetector::getSiteName($site_path);
+
+// phpcs:ignore
+// Config sync settings.
+$settings['config_sync_directory'] = $drs_override_config_directories ?
+"../config/$site_name" : "../config/default";
+// Site Studio sync settings.
+$settings['site_studio_sync'] = $drs_override_site_studio_sync_directories ?
+"../sitestudio/$site_name" : "../sitestudio/default";
+
+$split_filename_prefix = 'config_split.config_split';
+
+/**
+ * Set environment splits.
+ */
+$split_envs = EnvironmentDetector::getEnvironments();
+foreach ($split_envs as $split_env => $status) {
+  $config["$split_filename_prefix.$split_env"]['status'] = $status;
+}
+
+/**
+ * Set multisite split.
+ */
+/**
+ * Site path.
+ *
+ * @var string $site_path
+ * This is always set and exposed by the Drupal Kernel.
+ */
+// phpcs:ignore
+$site_name = EnvironmentDetector::getSiteName($site_path);
+// phpcs:ignore
+$config["$split_filename_prefix.$site_name"]['status'] = TRUE;
+
+// Set acsf site split if explicit global exists.
+global $_acsf_site_name;
+if (isset($_acsf_site_name)) {
+  $config["$split_filename_prefix.$_acsf_site_name"]['status'] = TRUE;
+}
\ No newline at end of file
diff --git a/src/Robo/Commands/Blt/MigrateToDrsCommand.php b/src/Robo/Commands/Blt/MigrateToDrsCommand.php
index 36ea512b7..b17d9cf42 100644
--- a/src/Robo/Commands/Blt/MigrateToDrsCommand.php
+++ b/src/Robo/Commands/Blt/MigrateToDrsCommand.php
@@ -98,16 +98,18 @@ private function processSettingsFile(string $site): void {
     $root = $this->getConfigValue('docroot');
     $sitePath = Path::join($root, 'sites/' . $site);
 
-    // Update settings file content.
+    // Relative paths of settings.php file.
+    $relativePaths = [
+      "$sitePath/settings.php",
+      "$sitePath/settings/local.settings.php",
+      "$sitePath/settings/default.local.settings.php",
+    ]
     $filesystem = new Filesystem();
-    if ($filesystem->exists($sitePath . '/settings.php')) {
-      $this->updateSettingsFile($sitePath . '/settings.php');
-    }
-    if ($filesystem->exists($sitePath . '/settings/local.settings.php')) {
-      $this->updateLocalSettingsFile($sitePath . '/settings/local.settings.php');
-    }
-    if ($filesystem->exists($sitePath . '/settings/default.local.settings.php')) {
-      $this->updateLocalSettingsFile($sitePath . '/settings/default.local.settings.php');
+    foreach ($relativePaths as $relativePath) {
+      if ($filesystem->exists($relativePath)) {
+        // Update settings file content.
+        $this->updateSettingsFile($relativePath);
+      }
     }
   }
 
@@ -121,12 +123,11 @@ private function updateSettingsFile(string $settingFile): void {
     $fileContent = file_get_contents($settingFile);
 
     // Let remove BLT require section from settings.php.
+    $settingsFileContent = str_replace($this->bltSettingsWarning, '', $fileContent);
     if (substr_count($fileContent, $this->drsSettingsWarning) < 1) {
-      $fileContent = str_replace($this->bltSettingsWarning, $this->drsSettingsWarning, $fileContent);
-    }
-    else {
-      $fileContent = str_replace($this->bltSettingsWarning, '', $fileContent);
+      $settingsFileContent = str_replace($this->bltSettingsWarning, $this->drsSettingsWarning, $fileContent);
     }
+
     file_put_contents($settingFile, $fileContent);
   }