-
KanBo Installation
- Creating a Linux Based Virtual Machine on Azure for Elastic Search
- Creating a Windows Virtual Machine on Azure for Elastic Search
- Creating and Updating the Elastic Cloud Deployment
- How to Create a X.509 High-Trust Certificate
- Installing and Configuring Elastic Search on Debian
- Installing and Configuring Elastic Search on Windows
- KanBo Installation on Office 365 and Azure
- KanBo Installation On-Premise SharePoint 2013/2016/2019
- KanBo Modern Webpart Installation
- KanBo On-Premises Installation Requirements and Prerequisites
- KanBo Setup
- Uninstall KanBo from Office 365
- KanBo Installation on Office 365 and Azure (KanBo Installer)
-
KanBo Updates
-
Additional Components
- Configuring Power Automate with Your KanBo
- Enabling Email a Card Message
- Installation of KanBo MyBoard Synchronization with Outlook Calendar and Outlook Tasks
- Installation of the Autodesk BIM Plugin for KanBo
- KanBo and Microsoft Power Automate Integration: Activation
- KanBo and Microsoft Power Automate integration: Installation
- KanBo and UiPath Integration: Configuration
- KanBo API for Developers
- KanBo External User Groups (Active Directory Integration)
- KanBo Mini Application Installation
- KanBo Outlook Add-in Installation (O365 & On-Premise)
- Nintex Integration Installation
- Plugin for Adding Users to KanBo / Sharepoint When They First Enter it
- Send Email to KanBo - Installation (Cloud)
- Send Email to KanBo - Installation (On-Premise)
- Setting Up KanBo Email Notifications (On-Premise)
- Setting Up KanBo Email Notifications on Azure
- SharePoint Profiles Synchronization
- SharePoint Site Collection Balancing and Admin Warnings
- Sync Targets
-
Tips & Tricks
- Configure How Documents Should Be Opened from KanBo
- Customize KanBo Background Images and KanBo Colors
- Define Board Features to Be Enabled or Disabled by Default
- Disable Sleeping Tabs in Browsers
- Disable/Enable Public Boards Creation
- Find Out the Certificate Expiration Dates On-Premise
- Get KanBo ID
- How to Change the Help URL in Your KanBo
- Import Users to KanBo
- Renew Certificate for KanBo Graph Installation
- Show KanBo Version
-
Troubleshooting
KanBo Error: 403 (On-Premise Installation)
Table of Contents
What to do when Kanbo Log File shows 403 Error (On-Premise Installation)?
If you are getting an error message like this in KanBo:

… please check the KanBo Log File for further information about it.
Security ERROR | User authentication postback failed (cd68737c-faff-4398-a38c-3fe95a79df5b): System.Net.WebException: The remote server returned an error: (403) Forbidden.
If the KanBo Log File shows you an 403 Error, please be sure to check the Client ID within your web.config file. Most likely it is not correct.
The Client ID has been created by your setup process, where you did create the app identifier and you did get a result like this:

You can check it later on also here, just go to your site settings – site app permissions and you will find the Client ID as part of the shown ID.

Was this article helpful?
Please, contact us if you have any additional questions.