As a lot of readers of my blog mentioned in comments: KB 5002692 from April 2025 CU for SharePoint Server 2016 does not install. An incorrectly signed DLL is causing problems. My colleague Adam Sorensen has created a blog post on this topic: Blog Post: SharePoint 2016 – April 2025 KB 5002692 fails to install […]
After installing the March 2025 CU (or any subsequent update) for SharePoint Server Subscription Edition, certain search administration pages include incorrect ASP.NET tags leading to the following or similar error message: An error occurred during the processing of /_admin/search/listmanagedproperties.aspx. The server tag is not well formed. System.Web.HttpException (0x80004005): The server tag is not well formed. […]
After installing the October 2024 Cumulative Update (or any subsequent update) for SharePoint Server Subscription Edition, the Date column values in lists may incorrectly display as December 30th, 1899, instead of the correct date, under the following conditions: The site locale uses a date format where the day precedes the month (e.g., DD.MM.YYYY or DD/MM/YYYY). […]
After installing the October 2024 Cumulative Update (or any subsequent update) for SharePoint Server Subscription Edition, the Date column values in lists may incorrectly display as December 30th, 1899, instead of the correct date, under the following conditions: The site locale uses a date format where the day precedes the month (e.g., DD.MM.YYYY or DD/MM/YYYY). […]
In September 2024 CU a new security fix was included which added a restriction for Workflow actions. Only actions in namespaces which are explicitly allow listed by an administrator through an authorizedType entry in the web.config and owstimer.exe.config can be used. As this modification is also required for workflow actions in 1st party assemblies shipped […]
We received reports from several customers about issues with SharePoint 2010 Workflows after applying September 2024 CU. It is important to review the Known issues in this update section of the KB article for the specific CU before applying it in production. For September CU the KB article documents this specific issue as follows: You […]
In the last week we received several support cases about problems introduced with July 2024 CU for SharePoint Server 2016 and 2019. Symptoms: PowerShell operations to create new site collections using certain site templates and enabling specific features like Document Set and Video and Rich Media fails with errors similar to the following: In addition […]
After installation of recent updates for SharePoint (SP2016, SP2019, SPSE) users may receive an HTTP 500 error with the following additional details: “Cannot read configuration file because it exceeds the maximum file size” April 2024 CU includes a fix which removes the existing duplicate configuration elements from the web.config and prevents future duplicates from being […]
Several customers reported an issue after installing SharePoint Server Subscription Edition March 2024 CU which includes the 24H1 Feature Update: Exception type: FileNotFoundException Exception message: Could not load file or assembly ‘Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. The system cannot find the file specified. at Microsoft.Owin.Host.SystemWeb.OwinAppContext.Initialize(Action1 startup) at Microsoft.Owin.Host.SystemWeb.OwinBuilder.Build(Action1 startup) at Microsoft.Owin.Host.SystemWeb.OwinHttpModule.InitializeBlueprint() […]
After installing November 2023 CU (or later) for SharePoint Server 2016 Aggregated Newsfeeds are broken. March 2024 CU for SharePoint Server 2016 fixes this problem: March 2024 CU for SharePoint Server 2016
After installing November 2023 CU (or later) for SharePoint Server 2016 Aggregated Newsfeeds are broken. Symptoms: Affected Users will see an empty Newsfeed web part. In the ULS log see the following error in ULS after installing November 2023 CU or later: Unexpected exception in FeedCacheService.GetConsolidatedFeed: Unable to cast object of type ‘System.Collections.Generic.List`1[System.Collections.Generic.KeyValuePair`2[System.String,System.Object]]’ to type […]
After installation of recent updates for SharePoint (SP2016, SP2019, SPSE) users may receive an HTTP 500 error with the following additional details: “Cannot read configuration file because it exceeds the maximum file size” Cause The upgrade operation in SharePoint invoked through the configuration wizard (psconfig.exe or psconfigui.exe) after installing a SharePoint fix adds duplicate “<authorizedType […]
