diff --git a/defaults/main.yml b/defaults/main.yml
index b68bcf6..92ea554 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -90,10 +90,10 @@
 opdk_license_source_file_name: '{{ local_apigee_secure }}/license.txt'
 
 # Apigee silent installation configuration file
-opdk_installation_config_file: "{{ opdk_installer_path }}/edge-response.conf"
+#opdk_installation_config_file: "{{ opdk_installer_path }}/edge-response.conf"
 
-# Silent config file for portal
-opdk_portal_config_file: '{{ opdk_installer_path }}/devportal-silent-install.conf'
+## Silent config file for portal
+#opdk_portal_config_file: '{{ opdk_installer_path }}/edge-devportal-response-{{ opdk_version }}-{{ region }}.conf'
 
 # Silent config file for portal
 opdk_portal_db_config_file: '{{ opdk_installer_path }}/devportal-postgres.conf'
diff --git a/tasks/main.yml b/tasks/main.yml
index c5643a8..5e4236b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -17,3 +17,6 @@
 - include_tasks: update_cache.yml
 
 - include_tasks: postgres.yml
+
+- include_tasks: region.yml
+
diff --git a/tasks/region.yml b/tasks/region.yml
new file mode 100644
index 0000000..30df261
--- /dev/null
+++ b/tasks/region.yml
@@ -0,0 +1,20 @@
+---
+- name: Determine whether host is in Region 1
+  set_fact:
+    region: 'dc-1'
+  when: groups['dc-1'] is defined and inventory_hostname in groups['dc-1']
+
+- name: Determine whether host is in Region 2
+  set_fact:
+    region: 'dc-2'
+  when: groups['dc-2'] is defined and inventory_hostname in groups['dc-2']
+
+- name: Determine whether host is in Region 3
+  set_fact:
+    region: 'dc-3'
+  when: groups['dc-3'] is defined and inventory_hostname in groups['dc-3']
+
+- name: Add region to cache
+  cache:
+    key: "region"
+    value: "{{ region }}"
diff --git a/tasks/update_cache.yml b/tasks/update_cache.yml
index 9e0fa5a..e33883a 100644
--- a/tasks/update_cache.yml
+++ b/tasks/update_cache.yml
@@ -22,7 +22,7 @@
   - { key: 'opdk_version', value: '{{ opdk_version }}' }
   - { key: 'apigee_mirror_version', value: '{{ apigee_mirror_version }}' }
   - { key: 'opdk_installer_path', value: '{{ opdk_installer_path }}' }
-  - { key: 'opdk_portal_config_file', value: '{{ opdk_portal_config_file }}' }
+#  - { key: 'opdk_portal_config_file', value: '{{ opdk_portal_config_file }}' }
   - { key: 'apigee_data_backup_archive_name', value: '{{ apigee_data_backup_archive_name }}' }
   - { key: 'apigee_archive_storage_folder', value: '{{ apigee_archive_storage_folder }}' }
   - { key: 'apigee_installation_home', value: '{{ apigee_installation_home }}' }
@@ -37,7 +37,7 @@
   - { key: 'opdk_license_target_file_path', value: "{{ opdk_license_target_file_path }}" }
   - { key: 'local_apigee_path', value: "{{ local_apigee_path }}" }
   - { key: 'opdk_license_source_file_name', value: "{{ opdk_license_source_file_name }}" }
-  - { key: 'opdk_installation_config_file', value: "{{ opdk_installation_config_file }}" }
+#  - { key: 'opdk_installation_config_file', value: "{{ opdk_installation_config_file }}" }
   - { key: 'apigee_postgresql_data_dir', value: "{{ apigee_postgresql_data_dir }}" }
   - { key: 'apigee_validate_config_file', value: "{{ apigee_validate_config_file }}" }
   - { key: 'default_apigee_repo_user', value: '{{ default_apigee_repo_user }}' }