diff --git a/ansible/inventory/host_vars/deadalus-win.yml b/ansible/inventory/host_vars/deadalus-win.yml
index 47296c1..846cbed 100644
--- a/ansible/inventory/host_vars/deadalus-win.yml
+++ b/ansible/inventory/host_vars/deadalus-win.yml
@@ -1,4 +1,5 @@
 ---
 hostname: deadalus-win
-ansible_host: windows-host.example.invalid
-ansible_user: your-windows-user
+ansible_host: "{{ windows_psrp_host | default(vault_windows_psrp_host | default('')) }}"
+ansible_user: "{{ windows_psrp_user | default(vault_windows_psrp_user | default('')) }}"
+ansible_password: "{{ windows_psrp_password | default(vault_windows_psrp_password | default('')) }}"
diff --git a/ansible/site.yml b/ansible/site.yml
index 421e498..f7fc078 100644
--- a/ansible/site.yml
+++ b/ansible/site.yml
@@ -49,6 +49,23 @@
 - hosts: workstation_host_windows
   gather_facts: false
 
+  pre_tasks:
+    - name: Load local vault variables when available
+      tags: [always]
+      ansible.builtin.include_vars:
+        file: "{{ playbook_dir }}/../secrets/vault.yml"
+      when: lookup('ansible.builtin.fileglob', playbook_dir + '/../secrets/vault.yml', errors='ignore') != ''
+
+    - name: Ensure Windows PSRP connection settings are defined
+      tags: [always]
+      ansible.builtin.assert:
+        that:
+          - (ansible_host | default('') | length) > 0
+          - (ansible_user | default('') | length) > 0
+        fail_msg: >-
+          Define windows_psrp_host and windows_psrp_user via extra vars or secrets/vault.yml
+          before running the workstation_host_windows play.
+
   roles:
     - profile_workstation_host_windows
 
diff --git a/secrets/vault.yml b/secrets/vault.yml
index 0b279f9..be158af 100644
--- a/secrets/vault.yml
+++ b/secrets/vault.yml
@@ -1,27 +1,31 @@
 $ANSIBLE_VAULT;1.1;AES256
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