diff --git a/01 Projects/hp-prod-tracker/Hp Prod Tracker.md b/01 Projects/hp-prod-tracker/Hp Prod Tracker.md
index 477fe35..8771b4b 100644
--- a/01 Projects/hp-prod-tracker/Hp Prod Tracker.md	
+++ b/01 Projects/hp-prod-tracker/Hp Prod Tracker.md	
@@ -23,9 +23,14 @@ created: 2026-04-15
 - **Local path:** `/Volumes/SSD/Projects/Oliver/hp-prod-tracker`
 
 ## Sessions
+### 2026-04-15 – Asked | Investigated SSO/Microsoft Entra ID
+**Asked:** Asked | Investigated SSO/Microsoft Entra ID redirect URI mismatch error
+**Done:** Done | Identified that redirect URI in request doesn't match Azure App Registration configuration
+
 
 ## Change Log
 | Date | Requested | Changed | Files |
 |------|-----------|---------|-------|
+| 2026-04-15 | SSO redirect URI mismatch | Review .env configuration and git history | .env, auth config files |
 
 ## Related
diff --git a/99 Daily/2026-04-15.md b/99 Daily/2026-04-15.md
index e9559e4..5c6ed68 100644
--- a/99 Daily/2026-04-15.md	
+++ b/99 Daily/2026-04-15.md	
@@ -99,3 +99,6 @@ tags: [daily]
 - 13:10 | `Oliver (root)`
   - **Asked:** What caused the user login issue in LibreChat chat?
   - **Done:** Identified OAuth state mismatch from session cookie and server restart as root cause for `santhosha.nayak@brandtech.plus`.
+- 14:52 (1min) | `hp-prod-tracker`
+  - **Asked:** Asked | Investigated SSO/Microsoft Entra ID redirect URI mismatch error
+  - **Done:** Done | Identified that redirect URI in request doesn't match Azure App Registration configuration