Troubleshooting for IIS 5

• 'DefaultAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool.
• 'DefaultAppPool' suffered a fatal communication error with the Windows Process Activation Service.
• 150 Opening ASCII mode data connection for file list. 425 Can't open data connection.
• 301 and 302 status codes
• 500 - Internal server error - how to debug?
• A process serving application pool 'DefaultAppPool' terminated unexpectedly. The process id was '2772'
• Application Pool recycle turns into page cannot be displayed
• ASP Event Code 3005
• Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))
• Could not load file or assembly '' or one of its dependencies Access denied
• Custom 404 page load into Iframe
• Delays in Mail Delivery from IIS 6.0 SMTP
• Error 500.13 (Server too busy) with many sites on one machine
• Error Code: 403 Forbidden. The server denied the specified Uniform Resource Locator (URL). Contact the server administrator. (12202)
• Event ID 1120 & 1121
• Exception type [WRITE_ERROR_TO_CLIENT] raised at line 1349 of .\iisproxy.cpp
• Failed to create COM object : Access is denied. (IIS6/PHP/FastCGI)
• getting HTTP error 404 for no reason
• Help- Error The current identity (NT AUTHORITY\NETWORK SERVICE) does not have write access to 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files'
• HELP! - System.Diagnostics.Process.Start Can't run exe (command-line) IIS6.0 Windows 2003
• HTTP 500 errors accessing virtual directory
• HTTP Error 401.2 - Unauthorized
• HTTP Error 403.2 - Forbidden: Read access is denied. Internet Information Services (IIS)
• HTTP/1.1 405 Method Not Allowed Allow: OPTIONS, TRACE, GET, HEAD
• IIS 6.0 SMTP Queue - Mail unable to send.
• IIS account failed to log on - Event 4625
• IIS does not prompt username/password when website is browsed by IP
• IIS forcing Anonymous authentication?! Help desperately needed!
• IIS log failed to write entry (IIS6)
• IIS Logs sc-win32-status code 1236
• IIS Manager not showing any content
• IIS not accessible from internet, Help!!!
• IIS Session Lost In Web Server - In Dev Server Works Fine
• IIS SMTP email stuck in queue unable to send out
• IIS website stops working after restart
• Server Error in '/' Application - The resource cannot be found.
• Session size exceeded - did the emails send?
• Sites do not remain stopped in IIS
• SMTP Error: Unable to bind to the destination server in DNS
• SMTP Relay suddenly sending multiple copies of email
• SMTP Virtual Server error
• System.Net.WebException: Unable to connect to the remote server
• Timeout during debugging -- SOLVED
• Troubleshooting FTP 426 Errors (Connection closed; transfer aborted)
• Trying to decipher IIS 6.0 logs to locate reason for a 401
• URL too long - bad request
• W3WP Crash
• W3WP.exe error in the event viewer
• Website asking user name and password when access using server IP
• Windows Server 2019: Built-in SMTP server not honoring MX records?