trying to access a remote database server and getting this error

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Microsoft Visual Studio
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Unable to complete network request to host "192.168.1.98".
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OK   
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I'm having this as the name of the database file in ddex

server type is standalone server

i have this in database box

192.168.1.98:C:\folder\database.fdb

wonder what the advanced properties are and if i need to set them - i tried to go in and adjust some like the "isolation level" but it does not save the settings i pick there. where is a list of settings for advanced properties and how do i set them?