In the table below we have divided Tekla Structures versions into the three groups: A, B, and C. The behavior of Tekla Structures is the same within each of the groups but it's different across those groups.
|Tekla Structures version||Group|
|20.0 or older (including any SR/PV)||A|
|20.1 (SR6/20.1.6 or older)|
|21.0 (SR7/21.0.7 or older)|
|21.1 (SR5/21.1.5 or older)|
|21.0 (SR8/21.0.8 or newer)|
|21.1 (SR6/21.1.6 or newer)|
|2016 (SP2/PR2 or newer)|
|2016i (including any SP/PR)|
|2017 or newer (including any SP)|
In the table above SR is Service Release, PV is Progress Version, SP is Service Pack, and PR is Progress Release.
Previously it was possible to start any number of Tekla Structures instances of any version on the same computer and all of them used just one license. For example, you could run Tekla Structures 2016, 20.0 SR10, 17.0.7, etc. and if you chose the same configuration (e.g., Steel Detailing) then only one license of that configuration was in use (e.g. v2016 STD-C license).
Starting from Tekla Structures 2016 SP1/PR1 the license compatibility has changed.
Now you can:
- Start any number of Tekla Structures instances from the group A. For that you will need just one license.
- Start any number of Tekla Structures instances from the group B. For that you will need just one license.
- Start any number of Tekla Structures instances from groups A and B simultaneously. For that you will need two licenses.
- If you start Z instances of 2016 SP1/PR1 then they will use Z licenses.
Below is a table that shows how many licenses you will need to start all the possible Tekla Structures version combinations from those three groups (assuming that X, Y, and Z are not zero):
|Number of licenses required|
|X Tekla Structures instances from group A||1|
|Y Tekla Structures instances from group B||1|
|Z Tekla Structures instances from group C||Z|
|X+Z or Y+Z||Z+1|