In the last couple of weeks we received cases where customers enabled ASP.NET task friendly synchronization in the web.config of their SharePoint servers using web.config entries like the following: <appSettings> <add key=”aspnet:UseTaskFriendlySynchronizationContext” value=”true” /> </appSettings>   From https://docs.microsoft.com/en-us/previous-versions/aspnet/hh975440(v=vs.120):  If this key value is set to false [default], asynchronous code paths in ASP.NET 4.5 behave as […]

After applying .NET Security Only patch to resolve CVE-2018-8421 (Remote Code Execution Vulnerability), all SharePoint out of the box Workflow fails to execute and the log will show an error like this: 09/13/2018 01:59:07.57 w3wp.exe (0x1868) 0x22FC SharePoint Foundation Workflow Infrastructure 72fs Unexpected RunWorkflow: Microsoft.SharePoint.SPException: <Error> <CompilerError Line=”-1″ Column=”-1″ Text=”Type System.CodeDom.CodeBinaryOperatorExpression is not marked as […]

I recently received some questions about supportability of SharePoint 2013 and 2016 with .NET framework 4.7 which is now being pushed out via Microsoft Update. .NET framework 4.7 is supported as well with SharePoint 2013 and with SharePoint Server 2016.

In the last two months I have worked on several SharePoint issues where we identified that the servers running SharePoint were still using .NET framework 4.5 or .NET framework 4.5.1 which are unsupported since around a year (supported ended January 12th, 2016 as announced in August 2014): Support Lifecycle for .NET 4.5: https://support.microsoft.com/en-us/lifecycle/search/16396 Support Lifecycle for .NET […]

Finally after a long beta phase the final version of DebugDiag 1.2 has been released. The Debug Diagnostic Tool (DebugDiag) is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or fragmentation, and crashes in any user-mode process. The tool includes additional debugging scripts focused on Internet Information Services (IIS) applications, […]

Cross posting info about an important update for ASP.NET which will address an issue that affects all ASP.NET applications including SharePoint and MCMS. [cross post from Microsoft Security Response Center blog] Today we provided advance notification to customers that we will release an out-of-band security update to address the vulnerability discussed in Security Advisory 2416728. […]

ASP.NET webservices use XML 1.0 which restricts the character set allowed to the following chars: [2]    Char    ::=    #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */ (Source: http://www.w3.org/TR/REC-xml/#charsets) As you can see several characters below 0x20 are not allowed with […]

Brief Description This download installs Service Pack 1 for Microsoft® Visual Studio® .NET™ 2003. Overview This download installs Service Pack 1 for Microsoft® Visual Studio® .NET™ 2003. Fixes in this Service Pack concern stability and security enhancements made in many areas of the product. A comprehensive list of hotfixes requested by customers since the release […]