# Can MD simulation performed in Gromacs 2019 version, be extendend in Gromacs 2019.6 version?

**URL:** <https://gromacs.bioexcel.eu/t/can-md-simulation-performed-in-gromacs-2019-version-be-extendend-in-gromacs-2019-6-version/1846>\
**Category:** User discussions\
**Created:** [March 28, 2021, 11:37pm UTC](https://gromacs.bioexcel.eu/t/can-md-simulation-performed-in-gromacs-2019-version-be-extendend-in-gromacs-2019-6-version/1846 "2021-03-28T23:37:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Yeshwanth](https://avatars.discourse-cdn.com/v4/letter/y/b5ac83/32.png) [@Yeshwanth](https://gromacs.bioexcel.eu/u/Yeshwanth)\
**Post date:** [March 28, 2021, 11:37pm UTC](https://gromacs.bioexcel.eu/t/can-md-simulation-performed-in-gromacs-2019-version-be-extendend-in-gromacs-2019-6-version/1846/1 "2021-03-28T23:37:05Z")

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GROMACS version: 2019 and 2019.6  
GROMACS modification: Yes/No  
Here post your question

I have run MD simulations of protein structures in the Gromacs 2019 version. I am planning to extend the simulation duration for these structures. But, currently, Gromacs 2019.6 version is installed on our PCs.  
Can I extend the Gromacs 2019 version performed protein simulation in Gromacs 2019.6 version? Does it give any errors? Will it be fine at the time of analysis?

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**Author:** ![jalemkul](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/jalemkul/32/18_2.png) [@jalemkul](https://gromacs.bioexcel.eu/u/jalemkul)\
**Post date:** [March 29, 2021, 8:06pm UTC](https://gromacs.bioexcel.eu/t/can-md-simulation-performed-in-gromacs-2019-version-be-extendend-in-gromacs-2019-6-version/1846/2 "2021-03-29T20:06:06Z")

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Patch release versions are compatible. Switching major versions is inadvisable, but there should be no issue with what you propose.

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**Author:** ![Yeshwanth](https://avatars.discourse-cdn.com/v4/letter/y/b5ac83/32.png) [@Yeshwanth](https://gromacs.bioexcel.eu/u/Yeshwanth)\
**Post date:** [March 29, 2021, 9:14pm UTC](https://gromacs.bioexcel.eu/t/can-md-simulation-performed-in-gromacs-2019-version-be-extendend-in-gromacs-2019-6-version/1846/3 "2021-03-29T21:14:38Z")

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@jalemkul Thank you very much for your inputs