- Plesk Onyx 17.8 for Windows
- MailEnable webmail shows error:
CONFIG_TEXT: HTTP Error 503 Service Unavailable.
- Error in Event Viewer > Windows Logs > System:
CONFIG_TEXT: Application pool MailEnableAppPool has been disabled. Windows Process Activation Service (WAS) encountered a failure when it started a worker process to serve the application pool.
- The following detailed error can be shown in:
CONFIG_TEXT: HTTP Error 401.2 - Unauthorized
IIS Web Core
C:\Program Files (x86)\Parallels\Plesk\Mail Servers\Mail Enable\Bin\NETWebMail
- Error in Event Viewer > Application:
CONFIG_TEXT: The identity of application pool MailEnableAppPool is invalid. The user name or password that is specified for the identity may be incorrect, or the user may not have batch logon rights. If the identity is not corrected, the application pool will be disabled when the application pool receives its first request. If batch logon rights are causing the problem, the identity in the IIS configuration store must be changed after rights have been granted before Windows Process Activation Service (WAS) can retry the logon. If the identity remains invalid after the first request for the application pool is processed, the application pool will be disabled. The data field contains the error number
All system user credentials/profiles are removed after running
sysprep, including the IIS user and the application pool user of MailEnable webmail.
- Connect to Plesk server via RDP
MailEnable WebMailwebsite status in IIS Manager > Sites. Start it if it is stopped.
Run MailEnable installer:
C:\> "%plesk_dir%\Mail Servers\Mail Enable\Bin\MEInstaller.exe"
C:\> C:\Program Files (x86)\Mail Enable\Bin\NETInstaller.exe"
Select the second option - "Web application reconfigure (...)"
Give a random password for the MailEnable service accounts and press Next when prompted
Select the fourth option ''Re-Register Administration (MCC) Components''
Select the thirteenth option ''Set .NET Framework version for web applications'' and click Apply when prompted
- Restart IIS:
If the issue persists, check this article.