Cannot access MailEnable webmail, page keeps loading endlessly.
Application Pool misconfiguration.
1. Log in to the server via RDP.
2. Open IIS Manager.
2. Make sure that both MailEnableAppPool and MailEnableEASPool in IIS > Application Pools are configured with .Net framework v4. If no, double-click on the application pool, select .NET v4.0 and press OK.