0x80090016 keyset does not exist. 9 possible fixes for the error “TPM has malfunction with error 80090016” The TPM malfunction error 80090016 (keyset does not exist) typically occurs when there is an issue with the Trusted Platform Module (TPM) and its cryptographic keys. See full list on windowsreport. Jan 24, 2025 · The "Keyset does not exist" error can be frustrating but easy to fix. Apr 2, 2024 · Most of the times we suggest to rebuild or reinstall IIS. If the answer is the right solution, please click "Accept Answer" and kindly upvote it. The affected users have reported that Jan 15, 2026 · This article explains how to resolve error code 0x80090016 - "Keyset does not exist" when you try to connect to your event viewer or agent logs. More information you can refer to this link: Keyset does not exist. . If the identity is not corrected, the application pool will be disabled when the application pool receives its first request. Besides, you can also regenerate machine keys without reinstalling IIS completely. Try out these simple solutions to resolve the issue. com Jul 2, 2014 · The user name or password that is specified for the identity may be incorrect, or the user may not have batch logon rights. Jan 22, 2026 · In this post, we will show you how to fix Trusted Platform Module has malfunctioned, Keyset does not exist, Error 80090016 in Microsoft 365 apps. xclcww gcn xtvoks yghp aevh xez kqjk afcj twcfyuq eksqvu