Fix WinRM Event ID 10154: Failed to Create WSMAN SPNs
Applies to: Windows Server 2025 / 2022 / 2019 / 2016 / 2012 R2 / 2012 / 2008 R2 / 2008 WinRM can log Event ID 10154 when it cannot register the WSMAN Service Principal Names (SPNs) required for Kerberos authentication. A typical event contains entries similar to: The WinRM service failed to create the following SPNs: WSMAN/server.contoso.com; WSMAN/server. In This Article 1. What Event ID 10154 Means 2. Check the Current SPNs 3. Check for Duplicate SPNs 4. Register Missing WSMAN SPNs 5. If the Error Is Access Denied 6. Why NETWORK SERVICE Is Not the AD Account 7. Verify WinRM 8. Key Takeaways 1. What Event ID 10154 Means WinRM uses SPNs for Kerberos authentication. In a normal domain configuration, the WSMAN SPNs are associated with the server's…