As part of Windows Server migration project to Windows Server 2012 R2, for the reason of practicality, sometimes a deprecated internal SMTP server is still required. When you enabled Windows SMTP Virtual Server, the default location is always going to be in C:\inetpub\mailroot and often times for easier maintenance and separation of OS vs. application, it's probably better to move them to a … [Read more...]
How to Resolve Login failed for user ‘DOMAIN\PCNAME$’
When migrating ASP.NET applications from Windows Server 2003 (IIS 6) to 2012 R2 (IIS 8.5), right away, one web application displayed the yellow screen of death with the following error message: System.Data.SqlClient.SqlException: Login failed for user 'DOMAIN\SERVERNAME$'. If your application is on a private network, depending on your situation, there is a few approaches you can … [Read more...]
Disable Browser Caching for Specific Files on IIS
As part of IIS performance tuning in improving a website load speed, in general you want to enable browser caching by double-clicking on HTTP Response Headers in IIS Manager and check the Expire Web content: and set the After: with an x number of days. By enabling this feature, IIS basically tells the browser to cache all static contents from the web server to the browser so on subsequent … [Read more...]
How to Serve Outlook File Type on IIS
If you need to have Outlook File Template (.oft) to open via a click on a landing page, be aware that .oft is not part of the default mime types and it has to be manually added. If you try to open an OFT link with default settings, you will be getting a 404 error. You can add the Mime Type via IIS Manager or directly editing the web.config file in root directory. Adding MIME Type from … [Read more...]
How to Disable ETag Header on IIS 8.5 Web Application
If you analyze a classic ASP or ASP.NET web application using YSlow, you'll notice that more often than not (if not always), you'll get an F grade on the Configure entity tags (ETags). In general, you can ignore this if you're using IIS 7 or later as it's not affecting much of IIS performance tuning. However, if you're nitpicky about the test result, this can be fixed easily. The … [Read more...]
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