Missing ASP.NET Tab (this time on Windows 2000)

I already wrote a post on this matter some time ago, but this week worked on the same problem on a Windows 2000 Server, of course 32 bit. Running aspnet_regiis -i did not help so we tried to run the script Tom provides in his post, but we got the error here below:   Line…


Input validation and another StackOverflow

Here’s another interesting crash problem I worked on a few days ago: the application pool was randomly crashing and the following errors were logged: Event Type:      Error Event Source:   .NET Runtime 2.0 Error Reporting Event Category: None Event ID:          1000 Date:                21/08/2009 Time:                12:23:12 User:                N/A Computer:        <computername> Description: Faulting application w3wp.exe, version 6.0.3790.3959, stamp…


New opening: Italian Dev Support blog

Yesterday my Italian colleagues in Developer Support and I officially inaugurated our new team blog: if you can read Italian then join us at http://blogs.msdn.com/itasupport    Carlo Quote of the day: Everything that irritates us about others can lead us to an understanding of ourselves. – Carl Jung


Hosting on a UNC share is not supported for the Windows XP Platform

If you have a complex solution, with a lot of folders and subfolders, and you are hosting and debugging it on a remote IIS server (not on your local machine), you may get an error similar to the following: An error occurred loading a configuration file: Failed to start monitoring changes to ‘<path>’ because the…


An authentication error occurred while communicating with the web server

I’m back after the summer break (3 weeks spent trying to master the “Do It Yourself” art at home ) and my second day in office I got an interesting problem with remote debugging: after installing the Service Pack 2 for .NET 2.0, when trying to debug our web application (hosted on a remote IIS)…


Security advisory bulletin 973882 (July 28, 2009)

My colleague Feliciano has just made me aware of an extraordinary security bulletin we have just released for a new vulnerability discovered in ATL libraries which could allow remote code execution; here are the information I am aware of so far: Microsoft Security Advisory (973882) English Rilascio straordinario di sicurezza Microsoft del 28 luglio 2009:…


ASP.NET 1.1 not configurable in IIS Manager?

If you search the Internet you’ll likely find a good number of articles and blog posts about how to configure ASP.NET 1.1 on IIS 7, here are a couple of good examples: How to install ASP.NET 1.1 with IIS7 on Vista and Windows 2008 Workaround: Running ASP.NET 1.1 on Vista SP2/WS08 SP2 Thread: Running ASP.NET…


Thread exit may kill your Session

Every now and then we got a call for an application which, randomly and without a specific pattern or apparent reason, shuts down all user’s sessions. Since ASP.NET 2.0 we can use Web Events to have more information on what is happening at the runtime level and this time the message we had in the…


StackOverflow continued: DataSource or DataSourceID?

I have already wrote here about a StackOverflowException I recently came across; after a while I got another quite similar problem, still a StackOverflowException with a very long recursion. Thread 36 is the one where the exception was thrown: 0:000> !threadsThreadCount: 21UnstartedThread: 0BackgroundThread: 21PendingThread: 0DeadThread: 0Hosted Runtime: no PreEmptive GC Alloc Lock ID OSID ThreadOBJ…


SharePoint and Office Live? Access forbidden!

I recently came across an odd problem the customer got on his SharePoint server: when the clients had the Office Live add-on installed they were constantly refused with a 403 error. The problem is well described here. If you have this problem, there is a fix for you: 970946. If you do not want to…