From 5521aadecb158fc5d3350def148d009a2cbb0499 Mon Sep 17 00:00:00 2001
From: Den Delimarsky <53200638+localden@users.noreply.github.com>
Date: Tue, 15 Oct 2024 11:29:46 -0700
Subject: [PATCH] Update wam-errors.md

---
 msal-dotnet-articles/advanced/exceptions/wam-errors.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/msal-dotnet-articles/advanced/exceptions/wam-errors.md b/msal-dotnet-articles/advanced/exceptions/wam-errors.md
index 159f6c8ee..dc43e5ef1 100644
--- a/msal-dotnet-articles/advanced/exceptions/wam-errors.md
+++ b/msal-dotnet-articles/advanced/exceptions/wam-errors.md
@@ -29,6 +29,7 @@ The table below highlights some of the most common errors along with potential m
 | 3399614476 | V2Error: invalid_grant AADSTS50078: Presented multi-factor authentication has expired due to policies configured by your administrator, you must refresh your multi-factor authentication to access {API_TARGET}. | Account needs to be configured by the Microsoft Entra administrator with up-to-date MFA settings. |
 | 2148073494 | Keyset does not exist Internal Error Code: 545133655 | |
 | 2148073520 | The device that is required by this cryptographic provider is not ready for use. Internal Error Code: 545133655 | |
+| 80090016 | NTE_BAD_KEYSET | Issue with the device Trusted Platform Module (TPM). Follow [device recovery instructions](/microsoft-365/troubleshoot/authentication/connection-issue-when-sign-in-office-2016#manual-recovery) to get the PC into a good state. |
 
 ## Unlisted errors