Domain/subdomain/customer creation in Plesk for Windows fails: A specified

Started by Suhitha, Sep 04, 2025, 07:51 AM

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Suhitha

Question: Domain/subdomain/customer creation in Plesk for Windows fails: A specified logon session does not exist


Applicable to:

  • Plesk for Windows


Symptoms

  • Creation of a domain/subdomain fails with the following error:

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.BindingManager.Save()
at Microsoft.Web.Administration.ServerManager.CommitChanges()
at ServerManagerFactory.commit()
at IISServerManager.commit(IISServerManager* )
at Commit common changes(WebServerAdapter::configHosting line 346)
at configHosting(example1.example.com)(WebServerAdapter::configHosting line 493)
at configHosting(example1.example.com)(WebServerManager::configHosting line 2941)
at execute console command --install-vhost(vconsoleapp::start line 93)
at execute "C:\Program Files (x86)\Parallels\Plesk\admin\bin64\websrvmng" --install-vhost "--vhost-config=iahFD2F.tmp"(vconsoleapp::run line 110)
(Error code 1)

  • The main domain is secured with an SSL certificate in Domains > example.com > Hosting Settings > Certificate.

Cause

Incorrectly applied SSL certificate for the main domain.


Resolution

              For all domains:

1.Connect to the server via RDP;

2.Open Command Prompt as Administrator and execute the following command:

c:\> plesk repair web -sslcerts

              For specific domain:

1.Log into Plesk.

2.Go to Domains > example.com > Hosting Settings.

3.Set Not selected in the Certificate drop-down and click Apply.

Note: An error message similar to the initial one may appear.

4.Select the necessary certificate in the Certificate drop-down and click OK or Apply.