Tekla Structural Designer knowledge base articles

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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…

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

Questions: How can I download the main version for my Trimble Tekla software product?Where can I download the latest installers when I want to upgrade?Where can I download the latest service packs for Tekla Structures, Tekla Structural Designer, Tekla Tedds, Tekla PowerFab, or other Tekla products?Where can I download the latest Tekla Structures…

Is there a way to quickly export max/min beam end forces?

Answer

Yes, beam end forces can be exported in two forms, these forms are:Tabular reports which can be printed or exported to ExcelDrawings of the current plan in DXF formThe basic process required for these is to first create an envelope usingLoad > Envelope, using this option, simply create an envelope (call it Max/Min for…

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…

How to include a structure’s masonry veneer in its effective seismic weight

Buildings often feature external masonry veneers that are self-supporting and laterally anchored to the structure. Despite being self-supporting, the weight of the masonry must still be considered in the effective seismic weight of the structure.If it is required to include a structure's self-supporting masonry veneer in its effective seismic…

Tekla Structural License Service 2025 Release Notes (V6.0)

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 2025 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…

Tekla Structural Designer Verification Models - Composite Steel Beam Design - Secondary Member (LRFD and ASD)

The attached zip file contains two models (LRFD & ASD) for use in conjunction with the US composite steel beam design secondary member verification example in the Tekla Structural Designer Product Guide.

End of Sales of Tekla Maintenance Products for Perpetual License

1. What has been announced? Trimble announced the end of sale of maintenance products for all perpetual license types of Tekla software. 2. Which products are affected by this change? End of Sale is announced for the following maintenance products: Tekla Structures Project Viewer Production Planner -…