Tekla Tedds knowledge base articles

Displaying 1-10 / 195 articles

Download Trimble Tekla main versions, latest service packs, and environment installers

Tekla Structures;Tekla Tedds;Tekla Tedds for Word;Tekla PowerFab;Tekla PowerFab Go;Tekla Portal Frame Designer;Tekla Connection Designer;Tekla Model Sharing;Tekla PowerFab Office;Tekla Structural Deisgn Suite;Tekla Structural Designer;Tekla Structural Designer Integrator for Autodesk Revit

Tekla Structural License Service 2026 Release Notes (V7.1)

Updates

Includes some minor updates and fixes

On-Premises - Sentinel RMS Licensing

Includes Sentinel RMS 10.1 which ensures that products are fully supported on Windows 11 when using on-premises Sentinel RMS licensing.

Supported operating systems

Only 64-bit operating systems are supported.For the client PC the following…

Tekla Structural License Service 2026 Release Notes (V7.0)

Updates

Includes some minor updates and fixes

On-Premises - Sentinel RMS Licensing

Includes Sentinel RMS 10.1 which ensures that products are fully supported on Windows 11 when using on-premises Sentinel RMS licensing.

Supported operating systems

Only 64-bit operating systems are supported.For the client PC the following…

Tekla Structural Design Suite 2026 Release notes

The Complete Structural, Analysis, Design and Calculation Suite: Tekla Structural Design Suite combines Tekla Tedds & Tekla Structural Designer delivering a single high-value easy-access subscription. The only subscription an engineer performing structural analysis and calculations will need.Release notes and system requirements for each…

Changes to user membership and terminology in Tekla online services

To prepare for unifying user and license management systems across different Trimble products, changes to how users belong to organizations will take effect on February 14, 2026. These changes do not require any action from you, but will affect how you manage access rights for employees in your organization in the future.All existing employees in…

Extra verification for signing in to Tekla products for enhanced security

If you sign in using only an email address and password, your sign-in process will change starting February 24, 2026. If you already use multi-factor authentication (MFA) or your company uses a single-sign-on (SSO) service that is federated with Trimble Identity, this change does not affect your sign-in process.2-step verification for all Trimble…

ERR_CONNECTION_REFUSED when attempting to sign in to Tekla desktop software

Overview

We have identified a sign-in issue affecting some users ofTekla desktop software.The issue is caused by one or more Windows 11 updates — specifically:Security Update: KB5066835Non-Security Update: KB5065789Microsoft has since released acritical hotfix to address this issue.

Sign-In Error Example

When…

How to request to be added to your organization in the Online Services

Follow these steps to join your organization and complete your Trimble ID setup:Note that if your Trimble Identity is already set up then you will be redirected toStep 5.Step 1: Sign In with Your Trimble IdentityGo toaccount.tekla.com.Click"Sign in with your Trimble Identity".If your company usesSingle Sign-On (SSO), donot click on"Create a…

When I try to install Tekla Tedds and/or Tekla Structural Designer, the installation fails with an error message such as "Error 1638" or "Error 1603." What should I do?

Problem

You run the installation for Tekla Tedds and/or Tekla Structural Designer, but the installation fails and may give one of the error messages below:Error: 1638 — Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use…

I cannot calculate within Tedds - The error message "Failed to create Tedds Calculator" is displayed

Question

When opening or running a calculation command in Tedds or Tedds for Word, a "Failed to create Tedds Calculator" error occurs, preventing me from calculating. How can I resolve this?

Answer

This issue often occurs after updating Windows or due to a problem with the Tedds installation. In most cases, repairing the Tedds…