maximal possible terminals of MT5 running same time dropped from 18 to 16

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the maximal possible number of terminals running simultainesly dropped from 18 to 16. this occors since installing latest april updates on my Windows server 2022. 

But since the MT5 terminals where getting updates as well i´m not sure which one causes the issue. MS or MQL5?


Anyone has the same problem? Solutions?  

 
all terminals have build 5800 
 

Forum on trading, automated trading systems and testing trading strategies

Bug report: Error when running multiple MT5 terminals

Sergey Golubev, 2022.08.19 12:38

I had this situation many years ago with MT4 (I had 20 instances of MT4 but if I add 21th Metatrader so everything stops working; I had dedicated server in that time).
And I understood in that time that there are limitation also about how many copies of Metatrader you can have in your computer opened.
I tried to discover about where this limitation is coming from and I came to something related to internet connection or frequencies in BIOS (and it does not depend on how good is your computer with memory etc for example).

It was many years ago, but I am not installing many Metatrader instances on the computer anymore (because I have no idea about how good motherboard of my computer concerning interrupt frequency for example).

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