When Tekla is slow or crashing on large models, the usual fixes are more RAM and a properly specced workstation, a healthy and fast model server and network, up-to-date graphics drivers and Tekla service packs, and good model housekeeping. Most performance and stability problems come down to hardware that is undersized for the model or software that is out of date, both of which are straightforward to put right. For most firms this is handled as part of managed IT at about £45 to £100 per user per month. Here is how to diagnose and fix it.
A slow or crashing Tekla session kills productivity and frays tempers, especially against a deadline. The causes are usually identifiable. Here is where to look.
Check the workstation first
Most slowness on big models comes down to a workstation that is short on RAM or otherwise underpowered. Adding RAM, up to 128 GB for the heaviest models, or moving a struggling detailer onto a proper CAD workstation, is often the single biggest improvement, because the machine finally has the headroom the model needs.
Look at the server and network
If the model lives on a central server, a slow or overloaded server, a congested network or a failing disk can make every save and open feel sluggish for everyone. A healthy, well-specced, monitored server and a fast local network keep shared-model performance snappy, so this is always worth checking when several people are affected.
Update drivers and service packs
Out-of-date graphics drivers are a common cause of Tekla display glitches and crashes, and missing Tekla service packs can leave known bugs unfixed, including the classic crash-on-undo. Keeping certified graphics drivers and the latest service packs in place, tested before rollout, resolves a surprising number of stability issues.
Mind the model itself
Very large or untidy models naturally run slower, so good housekeeping helps: managing model size, clearing out unneeded objects, and following sensible practices for big projects. Where a model has become corrupt, catching it early and restoring from backup avoids losing work, which is another reason solid backups matter.
Get CAD-aware help
When slowness or crashes persist, support that understands Tekla can tell whether the problem is the workstation, the server, the drivers or the model, rather than guessing. That focused diagnosis gets detailers back to full speed quickly instead of living with a machine that fights them all day.
What to ask a provider
A specialist for steel detailers should be able to answer:
- Have you supported Tekla detailing practices and CAD firms, including their licensing, before?
- How do you keep our Tekla licences, workstations and model server running to a fabrication deadline?
- How do you let us share drawings and models securely with fabricators and contractors?
- What is your response time when Tekla is down and the whole team is stopped?
- Is the price clear and per user, with security included rather than charged separately?
Where to start
If you are not sure where your practice stands, a short review is the quickest way to find out: check that your Tekla licences are hosted reliably and not on a single neglected server, that your workstations and file server are sized for your models, that drawings are shared securely with MFA, and that your backups are tested. Those few checks show where a CAD-aware managed setup would pay off.
The bottom line
For a steel detailing firm, good IT is the difference between hitting a fabrication deadline and missing it. Tekla opens first time for every detailer, the model server stays fast even on the heaviest jobs, drawings reach fabricators securely, and the work is backed up so nothing is ever lost. The technology stays out of the way and the team gets on with detailing.
That reliability comes from a setup built around how detailers actually work, high-RAM workstations, properly hosted licences and models, and tested backups, rather than generic office IT. For a small practice whose whole output depends on a few CAD seats and one file server, a predictable per-user cost for that dependability is far cheaper than a day with the whole team locked out of Tekla.
Why steel detailers choose First Stop IT
First Stop IT has supported businesses since 2002, including engineering and design firms, and we understand how a steel detailing practice works: Tekla Structures, AutoCAD, Autodesk and Graitec licensing, high-RAM CAD workstations, large-model file servers, secure SharePoint project sharing with fabricators, and Datto backup for irreplaceable models. We support firms across Essex, Hertfordshire and London. Our credentials include:
- Cyber Essentials Certified
- IASME Cyber Assurance (Gold)
- NCSC Assured Service Provider (Cyber Advisor for Cyber Essentials)
- Microsoft Partner
- Crown Commercial Service Supplier (G-Cloud)
- Quality Principles Certified
We look after more than 2,000 endpoints across 50 companies, we have been named a Top 50 UK MSP for three years running, and we support organisations with 10 to 100 employees across Essex, Hertfordshire and London.
Book a free IT and cyber security review
Want your CAD licences, workstations and models looked after properly? Book a free IT and cyber security review with First Stop IT.