Windows NT Server 4.0 Service Pack 6a (SP6a) addresses several common problems in Microsoft IIS 4.0 and Microsoft Transaction Server (MTS). The following Microsoft articles describe common IIS and MTS problems, their causes, and resolutions.

NT SP6a IIS 4.0 Bug Fixes
"ASP Caching May Cause 'Server Too Busy' Errors and Blank Pages" http://support.microsoft.com/support/kb/articles/q188/3/52.asp

"Log Files Rolled Over According to GMT, Not Local Time Zone" http://support.microsoft.com/support/kb/articles/q193/6/12.asp

"File Access Vulnerability in Personal Web Server" http://support.microsoft.com/support/kb/articles/q217/7/63.asp

"ASP Request.BinaryRead Method Causes 100 Percent CPU Utilization" http://support.microsoft.com/support/kb/articles/q218/8/80.asp

"HSE_REQ_GET_CERT_INFO_EX Is Not Exposed in ISAPI ServerSupportFunction()" http://support.microsoft.com/support/kb/articles/q221/5/14.asp

"IIS 4.0 Log Field May Contain Invalid Constant Time Field" http://support.microsoft.com/support/kb/articles/q223/1/37.asp

"HTML Page Sent to a Browser May Be Truncated" http://support.microsoft.com/support/kb/articles/q224/2/98.asp

"Dates May Be Displayed Improperly Using Configuration Back-Up Option in IIS 4.0 HTML Administrator" http://support.microsoft.com/support/kb/articles/q230/3/35.asp

"Improperly Formatted HTTP Request May Cause INETINFO Process to Fail" http://support.microsoft.com/support/kb/articles/q234/9/05.asp

"TCP Connections Not Released by IIS" http://support.microsoft.com/support/kb/articles/q236/5/65.asp

"Removing SSL Key Leaves Behind Undeletable Port" http://support.microsoft.com/support/kb/articles/q236/9/36.asp

"Status 200 Log Entries for Non-Existent SSI File Requests" http://support.microsoft.com/support/kb/articles/q236/9/47.asp

"Err Msg: Overlapped I/O Error" http://support.microsoft.com/support/kb/articles/q237/8/73.asp

"Page Contents Visible When Certain Dot Extensions Present in the Virtual Directory Name" http://support.microsoft.com/support/kb/articles/q238/6/06.asp

"NTLM Password Change Fails When Password Contains an Ampersand (&)" http://support.microsoft.com/support/kb/articles/q238/6/31.asp

"VBScript Error Message Browsing with Internet Explorer 5 in ISM (HTML)" http://support.microsoft.com/support/kb/articles/q239/5/43.asp

"ISAPI Filter Cannot be Removed Using HTMLA" http://support.microsoft.com/support/kb/articles/q241/1/12.asp

"'Error 53' Error Message When You Try to Connect to a Windows 2000 Domain-Based DFS Share" http://support.microsoft.com/support/kb/articles/q242/0/01.asp

NT SP6a MTS Bug Fixes
"FIX: MTS Explorer Crashes When Configured the Machine Uses Remote DTC" http://support.microsoft.com/support/kb/articles/q232/3/30.asp

"FIX: XA Transaction Monitors May Show Inconsistent Outcome" http://support.microsoft.com/support/kb/articles/q232/3/43.asp

"FIX: DTC's XA RM Incorrectly Returns No More Transaction to Recover" http://support.microsoft.com/support/kb/articles/q232/3/48.asp

"FIX: Repeated Load and Unload of Mtxdm.dll Causes 1MB Virtual Memory Leak" http://support.microsoft.com/support/kb/articles/q232/3/51.asp

"FIX: DTC Log Notification Problem Leaves Transactions Incomplete" http://support.microsoft.com/support/kb/articles/q232/5/33.asp