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Hi NIco do you mean like this ? ****** function WinUserName : String; var len : Integer; strUsername : string; begin len := 0; WNetGetUser (nil, pchar(strUsername), len); ******** Co's this still fails with the same error?????

Hi Nico I downloaded the component but I get the follwing error when trying to install:- Error message: Types of actual and formal var parameters must be identical Hope you can help!!!! ************************* code chunk function WinUserName : String; var len : Integer; begin len :=...

Hi Nico Many thanks for your help so far I shall try the component, and your idea about the security table seems worth a look. Best regards Paul

Hi couple o answers 1) TCP/IP is all we need to cater for. 2) The application runs on Win98, Me,2000WS and NT 3) Yes, all in same workgrop 4) Yes, this is we have a table that holds the max no of allowed concurent users. Many thanks Paul

Another simple method would be to export the data to anyfile finishing with xls. and use a TAB char to seperate your fields. Excle will open the file with no problem. Paul

You are a STAR !!!!!!!

Yup help is def.. required here !!! pls

HELPPPPPPPPP I can't figure this stuff out atall

Nico You are a star (well ou will be if I can get this going) Best regards Paul

This is the solution There is no master app but the Broadcast method is just what I want. How is done??? Regards Paul

Hi Weez The app uses Advantage database server but not always (some times just peer to peer file sharing) so I can's always ask the server software. Thanks Paul

Hi Ulfeng I have downloaded the demo from TurboPower but it only detects instances on the same machine and not across the network. Thanks anyway:) Paul

This may not help I have been drafted in to help develop a multi-user DB system that was using Paradox. Convert to ADS (Advantage) it is easy and very stable with a snooth upgrade path to client server

How can I tell how many instanvces of my delphi appliaction is running on a lan