# Appendix and Known Limitations 2.4

Source: https://help.malighting.com/grandMA3/2.4/HTML/rn_appendix-2-4.html
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- We recommend you use a dedicated and a separate physical network for each grandMA3 session.
- When using DMX protocols we recommend you use a dedicated physical network for each protocol.
- The recommended workflow for executor configurations that are different, compared with the default executor configuration, is to create a new executor configuration, do the changes in the new configuration and save them.
- XML files with exported executor configurations from grandMA3 version 1.2 and prior cannot be properly imported to grandMA3 version 1.3 or later due to structural changes.
- XML files with exported analog remote setups from grandMA3 version 1.3 and prior cannot be properly imported to grandMA3 version 1.4 or later due to structural changes.
- XML files with exported timecode shows from grandMA3 version 1.3 and prior cannot be properly imported to grandMA3 version 1.4 or later due to structural changes.

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| ![](/img/grandma3/2-4/warning-99d629.png) | Software update via network to onPC stations requires confirmation during the install process at the destination system.  |