K2 4.5 Update KB001290 (4.10060.1.1290)

  • 16 February 2021
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K2 4.5 Update KB001290 (4.10060.1.1290)

This article has been archived, and/or refers to legacy products, components or features. The content in this article is offered "as is" and will no longer be updated. Archived content is provided for reference purposes only. This content does not infer that the product, component or feature is supported, or that the product, component or feature will continue to function as described herein.



KB001290 updates all K2 blackpearl 4.5 and K2 blackpoint 4.5 installations with the latest product hotfixes, as detailed below. The installer will update K2 4.5 32-bit and 64-bit installations.



Update Options

  • For customers who already have K2 blackpearl 4.5 or K2 blackpoint 4.5 installed, download and install this update.
  • For customers who do not have K2 blackpearl or K2 blackpoint installed, download the full K2 4.5 with KB001290 installer from portal.k2.com.



Issues Resolved

The following issues have been fixed and are contained within this update:

KB001198 - Hotfix: User validation throws an error when Binary Types are used in the K2 Studio Expression Builder

KB001192 - Hotfix: A new Document Library created using a custom template does not contain the additional custom created columns

KB001202 - Using the ampersand ('&') special character in the workflow folio property causes an error when opening the workflow task

KB001203 - Hotfix: On a SharePoint Workflow Integrated process linked to a Publishing site in SharePoint 2010, an error is received when trying to start the workflow by publishing a form from the ribbon menu.

KB001204 - Hotfix: Timeouts occur when trying to retrieve large volumes of SmartObject definitions using the BrokerManagement.exe or modifying SmartObjects from K2 Workspace. Configuration is required on an individual basis; Please read the hotfix KB article for exact details.

KB001207 - Hotfix: DisplayName fields for AD members of a child domain in a multi domain environment are not returned

KB001208 - Hotfix: The Sub process link remains in a loading state in the new Silverlight View Flow.


KB001211 - Hotfix: Intermittent IPC issues – mainly on high load clustered K2HostServer environments.

KB001212 - Hotfix: Actioning one event in a process which contains parallel paths with multiple SharePoint Client Events, results in all events completing simultaneously. Configuration is required on an individual basis; Please read the hotfix KB article for exact details.


KB001213 - Hotfix: Unable to resolve group permissions if the group is from another Forest

KB001214 - Hotfix: The User object created in the SharePoint Service V2 returns no data when executing its methods


KB001215 - Hotfix: Using a K2 connection string with the "Integrated" option set to "False" causes the K2 Server to return a "Provider 'K2' not found" error

KB001216 - Hotfix: The K2 database server utilizes 100% of CPU capacity on worklist retrieval - resulting in worklist timeouts. Configuration is required on an individual basis; Please read the hotfix KB article for exact details.

KB001217 - Hotfix: "Error recieving buffer" errors in K2 Server Log files

KB001219 - Hotfix: Concurrency errors thrown by the SharePoint Document event, specifically when uploading a document from a data field


KB001289 - K2 4.5 High Priority Fixes

This update includes the hotfixes included in previous K2 4.5 Updates, so there is no need to also install the updates listed below. The following links are provided for reference to view the enhancements and resolved issues contained within the previous updates:

KB001040 - Update K2 4.5 (4.10060.1.1040)
KB001070 - Update K2 4.5 (4.10060.1.1070)
KB001090 - Update K2 4.5 (4.10060.1.1090)
KB001110 - Update K2 4.5 (4.10060.1.1110)
KB001140 - Update K2 4.5 (4.10060.1.1140)
KB001170 - Update K2 4.5 (4.10060.1.1170)
KB001200 - Update K2 4.5 (4.10060.1.1200)
KB001230 - Update K2 4.5 (4.10060.1.1230)

New Features

KB001290 contains new K2 Features. For more information, download the PDF from the link available on the right hand menu bar.


Behavior changes

    1. Prior to K2 4.5 with Update KB001230, it was possible to select SharePoint fields (including hidden fields) that would be retrieved from a SharePoint List or Library on the Metadata Mapping and Folio screen of the SharePoint Workflow Integration Wizard (for example, Created Date). In K2 4.5 with update KB1230 or higher, it is no longer possible to retrieve these SharePoint hidden fields within the wizard. These hidden fields  will be surfaced in the K2 Object Browser for processes that have been set up for K2 SharePoint Workflow Integration. The Workflow Integration creates an XML field called SharePoint_Item containing all the SharePoint Item metadata column values. This XML field is populated on workflow start and contains values for the SharePoint item at runtime. Note that the same behavior will be experienced in other SharePoint wizards that include the metadata control.
  1. KB001227: Namespace changes to K2 Services in Update KB001290

Known Issues

There are a few known issues with this update. For more information, download the PDF from the link available on the right hand menu bar and read the following KB article:

KB001242 - Known Issue: The K2 Features deployment remains in a status of “In Progress” when upgrading to K2 4.5 with Update KB001290

KB001245 - Known Issue: K2 Visual Studio 2010 toolbox does not appear after upgrading to K2 4.5 Update KB001290




The latest K2 4.5 Update is available as an independent installation package that can be found at the following locations:
For K2 blackpearl 4.5 https://portal.k2.com/downloads/bp/default.aspx
For K2 blackpoint 4.5 https://portal.k2.com/downloads/k2blackpoint/default.aspx.

Installation Prerequisites

The following are prerequisites to K2 4.5 Update (4.10060.1.1290):

  • K2 blackpearl 4.5 (4.10060.1.0)
  • K2 blackpoint 4.5 (4.10060.1.0)

Installation Steps

The K2 4.5 Update (4.10060.1.1290) installation package must be installed by running the K2 Update Manager (K2Setup.exe) found within the update package.


Note: This update package should be installed on all machines that have K2 components installed. The Configuration Manager will only be run for the K2 Server, K2 for SharePoint, K2 Workspace and K2 Designer for SharePoint. This update should be installed on machines running K2 blackpearl 4.5 (4.10060.1.0) or K2 blackpoint 4.5 (4.10060.1.0)

To install this package, follow the steps below:
    1. Welcome Screen
      The Welcome Screen introduces the K2 Update Manager. An installation log will be created by default. Click Next to continue.
    2. Version Check
      The Checking for Latest Version Screen presents the K2 4.5 version to be installed and connects to the K2 Portal to determine what the most recent Update version available is.
      Verion Check
    3. Components to Update
      The Components to Update page lists the K2 Components that the update manager will update. Click Update to continue.
    4. K2 Server
      The K2 Server must be stopped for the duration of the patch. If the server is running a warning screen will appear requesting that the K2 server be stopped.
    5. Reset IIS
      The K2 Update Manager will request and perform a reset of IIS.
    6. Ready
      The K2 Update Manager will install the update, and will show the progress of the update via the progress bars on the screen.
    7. Finished
      Once the update has completed installing, the wizard will show you the finished screen. A link to the log file that is created is available on this screen. Click Finish to close the installer.
    8. Configuration Manager
      After the K2 Update Manager finishes, the K2 Configuration Manager will run and must be allowed to complete to fully install and configure the new update.
      hs-note.gif Note: If the K2 Configuration Manager does not complete successfully, the update will not be installed properly and your K2 installation will not function correctly.
    9. Post Installation step (optional)
      Multiple Bindings Microsoft Framework .NET 3.5 does not support multiple bindings in IIS without configuring a single address and setting up a prefix filter as per the following MSDN KB (Refer to section ‘Multiple IIS Binding Support in .NET Framework 3.5’): http://msdn.microsoft.com/en-us/library/aa751841.aspx
      Some of the following errors may occur when bindings are incorrectly configured.

      • Could not find a base address that matches scheme http for the endpoint with binding WebHttpBinding. Registered base address schemes are [].
      • No protocol binding matches the given address 'http://api.denallix.com:85/K2Services/REST.svc/Worklist/Items'. Protocol bindings are configured at the Site level in IIS or WAS configuration.
      • The resource cannot be found.
      • This collection already contains an address with scheme http. There can be at most one address per scheme in this collection. Parameter name: item

      The K2 installation will not configure entries.  To configure K2 Services to support a web site with multiple bindings add a prefix entry for the binding you wish to support in the section of the K2 Services web.config found at [Installation Directory]WebServicesK2Servicesweb.config.

      Example of supporting the http://api.denallix.com:81 binding on an IIS site with multiple bindings.

<serviceHostingEnvironment aspNetCompatibilityEnabled="true">
              <add prefix="http://api.denallix.com:81" />
              <add prefix="https://api.denallix.com:443" />

    1. Post Installation step
      To view the new icons in K2 Designer for SharePoint clear your browser's cache.
    2. Expected behavior
      K2 uses Microsoft Windows Installer technology to install all updates.  When the Windows Installer patch (.msp file) is applied to its associated component it will return a status text of “Repairing” during the update process.  This happens even though an Update and not a Repair is being performed.



Components to Update

K2 4. Update (4.10060.1.1290) will update and configure the following components:
      • K2 Server
      • K2 for SharePoint 2007
      • K2 Designer for SharePoint 2007
      • K2 for SharePoint 2010
      • K2 Designer for SharePoint 2010
      • K2 Workspace (Runtime Web Services in K2 blackpoint)
      • K2 for Visual Studio (2005/2008/2010)
      • K2 Databases
      • K2 for Reporting



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