Nintex Automation K2 Updates & Fix Packs

IMPORTANT:If you perform a reconfigure without reinstalling the fix pack, users will not be able to log into Nintex Automation Designer/Manager/Workspace/Runtime after the reconfigure completes and the below error will occur:“HTTP Error 500.19 - Internal Server Error”NOTE:  If you have client tools installed, please do a manual IIS Reset after installing the Fix Pack. Fix Pack Release Date Download Link Fix Pack 01 22 January 2026 Contact Support for this Fix Pack Fix Pack 02 10 February 2026

Issue DescriptionWhen you call the OData endpoint, it attempts to assign a value to the wrong property.Error Message:The following error occurs: “Failed to convert parameter value from a String to a Int32”ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 05.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed.

Issue DescriptionWhen you access the Designer, repeated errors occur in the Host Server Log file, however functionality is not affected.Error Message:The following Host Server error occurs:“MsgID= IDNumber (Message Not Found)MsgID= IDNumber (Message Not Found)”ResolutionThe fix is available in:Nintex Automation K2 (5.9)

IMPORTANT:If you perform a reconfigure without reinstalling the fix pack, users will not be able to log into Nintex Automation Designer/Manager/Workspace/Runtime after the reconfigure completes and the below error will occur:“HTTP Error 500.19 - Internal Server Error” NOTE:  If you have client tools installed, please do a manual IIS Reset after installing the Fix Pack. Fix Pack Release Date Download Link Fix Pack 01 21 May 2025 Contact Support for this Fix Pack Fix Pack 02 12 June 2025

IMPORTANT:If you perform a reconfigure without reinstalling the fix pack, users will not be able to log into Nintex Automation Designer/Manager/Workspace/Runtime after the reconfigure completes and the below error will occur:“HTTP Error 500.19 - Internal Server Error” NOTE:  If you have client tools installed, please do a manual IIS Reset after installing the Fix Pack. Fix Pack Release Date Download Link Fix Pack 01 23 October 2024 Contact Support for this Fix Pack Fix Pack 02

Issue DescriptionWhen you use a data-bound custom control that previously worked without issue and apply Nintex Automation K2 (5.9) Fix Pack 01, you begin to see two “List Data” properties displayed in the custom control property panel.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 03.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix. It is recommended to clear browser cache and

Issue DescriptionWhen you sort a Paged List View from a SharePoint Library on a Lookup (Value) column by clicking the column header, the sorting is applied only to the items displayed on the current page rather than across the entire data set. When you navigate to page two and apply sorting, it again only sorts the items on that specific page. However, when you sort by a different column type, the sorting is correctly applied to the full data set.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 03.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have

Issue DescriptionWhen you use the Generate PDF action in a workflow, you will encounter an error that appears directly in the generated PDF.Error Message:The following error occurs: “'401.2 - Unauthorized'”ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 03. Nintex Automation K2 (5.8) Fix Pack 28.Ensure you have the correct K2 version and/or Cumulative update i

Issue DescriptionWhen you sort a Paged List View from a SharePoint Library on a Lookup (Value) Column, the sorting only applies to the items on the current page rather than the full data set. When you move to page two and sort, only the items on that page are sorted. When you sort on a different column, the sorting correctly applies to the entire data set.ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 27. Nintex Automation K2 (5.8.1) Fix Pack 14.Ensure you have the correct K2 version and/or Cumulative update installed. See

Issue DescriptionWhen you use an existing SharePoint Online integration with the legacy K2 Five for SharePoint app and attempt to activate a site, an error occurs.Additionally, when you run the Registration Wizard, all items show a green check mark. However, at the end of the process, an “SP Open Authorization” error appears.Error Message:The following error occurs: “Error issuing app only token”ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 27. Nintex Automation K2 (5.8.1)

Issue DescriptionWhen you try to populate a data label on a subview inside a custom workspace form after upgrading, it does not work.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix. It is recommended to clear browser cache and refresh the page.

Issue DescriptionWhen you upgrade to Nintex Automation 5.9, RecurseNestedGroups flag is ignored.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix.

Issue DescriptionWhen you use a dropdown list control, the screen reader does not read the display value, it reads the underlying value instead.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix.

Issue DescriptionWhen you create or update a SharePoint list item using a date value from an existing item, the action fails if the source date field is empty. This occurs with Create new item, Update list item, and Copy list item actions.Error Message:The following error occurs: “Cannot complete this action.”ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See

Issue DescriptionWhen you use Microsoft Graph with limited permissions, Exchange Online appointments created from this SmartObject may not render HTML in meeting invites.ResolutionThe fix is available in:Nintex Automation K2 (5.8.1) Fix Pack 13. Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version yo

Issue DescriptionWhen you use Forms, you may notice slower performance while forms are loading.ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 26. Nintex Automation K2 (5.8.1) Fix Pack 13. Nintex Automation K2 (5.9) Fix Pack 02.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have in

Issue DescriptionMultiple packages have been updated to the latest version for the PDF Converter, some of which include .NET and Node.Js.ResolutionThe fix is available in:Nintex Automation K2 (5.8.1) Fix Pack 14.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix.

Issue DescriptionLog entries from SCIM API has been added.ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the version you require. Install the Fix Pack to apply the fix. It is recommended to clear browser cache and refresh the page.

Issue DescriptionWhen you use K2 Workflow Importer, the list of List/Library Selection does not load if the list was appified, then unappified, and the SharePoint list has been deleted.Error Message:The following error occurs in the HostServer log: “An error occurred in the Service Instance. List does not exist.”ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 version and/or Cumulative update installed. See

Issue DescriptionWhen you reply to a SmartAction using Exchange Web Services (EWS), the action is processed, but the reply email is never sent, and an error is occurs.Error Message:The following error occurs in the HostServerLog: ‘”System.NullReferenceException: Object reference not set to an instance of an object.”ResolutionThe fix is available in:Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 version and/or

Issue DescriptionScenario 1When you have a slider that is read-only and disabled, and you hide and then show it again, the slider becomes editable. Even when you use the Set Properties method and a disable rule, the control remains editable.Scenario 2When you have the slider control enabled, users can adjust its value by clicking anywhere along the track. When you navigate to the next section and hide the slider, then return and show it again, the slider’s previous value is lost and is reset to 0.Scenario 3When you set the slider control width at design time, it resizes to the desired width (for example, 70%). However, when you open the form at runtime, the control width resets to 100%.ResolutionThe fix is available in:Nintex Automation K2 (5.8.1)

Issue DescriptionWhen you view attachments in the Attachment control, PowerPoint (PPTX) icons do not display. The functionality of attachments remains unaffected, as this is a cosmetic issue.ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 26. Nintex Automation K2 (5.8.1) Fix Pack 12. Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 version and/or Cumulative update installed. See

Issue DescriptionWhen you use Package & Deployment (P&D) to move a package between K2 farms with SharePoint Subscription Edition, the event receivers do not come across.ResolutionThe fix is available in:Nintex Automation K2 (5.8.1) Fix Pack 12. Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed. Download the latest Fix Pack using the links in the table above for the ver

Issue DescriptionWhen you use the SPFx migration tool, you may encounter an errorError Message:The following error occurs: "System.Data.SqlClient.SqlException: Error converting data type nvarchar to datetime." with a site collection.”ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 25. Nintex Automation K2 (5.9) Fix Pack 01.Ensure you have the correct K2 versio

Issue DescriptionWhen you search for the Active Directory Group “K2 Administrators” in K2 Management to add it to a K2 Role, it does not display correctly, even though the group membership and functionality work as expected. The issue appears specific to this group, as other AD Groups display correctly.ResolutionThe fix is available in:Nintex Automation K2 (5.8) Fix Pack 25. Nintex Automation K2 (5.8.1) Fix Pack 13. Nintex Automation K2 (5.9) Fix Pack 02.Ensure you hav