Symptoms
- Cannot add domain with the following error:
A specified logon session does not exist. It may already have been terminated. (Exception from HRESULT: 0x80070520) In Microsoft.Web.Administration module Exception type: System.Runtime.InteropServices.COMException at Microsoft.Web.Administration.Interop.IAppHostMethodInstance.Execute() at Microsoft.Web.Administration.Binding.AddSslCertificate(Byte[] certificateHash, String certificateStoreName)
Cause
Broken SSL/TLS configuration
Resolution
- Login server via RDP
- In the command prompt line execute the following command to repair certificates:
C:> plesk repair web -sslcerts