SharePoint Server 2016

After applying September 2018 .NET 4.6 or later updates, SharePoint crawl can fail and you will see ULS log entries with event ID fa45 or 88bl similar to the following: mssdmn.exe (0x2730) 0x00D8 SharePoint Foundation   Database     fa45   High      System.TypeInitializationException: The type initializer for ‘System.Data.SqlClient.SqlConnection’ threw an exception. … To resolve this issue you need to ensure that […]

We recently investigated performance problems in context of a couple customers support cases for SharePoint Server 2016. During the analysis we identified that the SQL databases were configured with a SQL compatibility level  of 130 or 140 which caused decreased query performance and increased CPU usage on the database server. Changing the compatibility level to 110 resolved the […]

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 […]