Low virtual memory

we have 2 exchange servers running as backend and clustered, newly we start to receive error regarding low virtual memory, and after searching the internet, i read that Microsoft recommend to append /3GB /USERVA=3030 to the boot.ini and changing some entries in the registry.

is it risky to do this, and it really solve the error??

thanks & regards
yaser_981Asked:
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MegaNuk3Connect With a Mentor Commented:
If you are running Exchange 2003 on a NON DC server and have 4Gb RAM in the server, then I'd recommend implementing those settings because they allow Exchange to use 3 of the 4Gb in the server instead of only 2Gb.

ExBPA will mention it.
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MegaNuk3Commented:
Confirm you are running Exchange 2003 and not Exchange 2010 like the title suggests.

If running Exchange 2003, run ExBPA on there and configure your servers according to ExBPA recommendations.
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