handling network connectivity issue in Asp.net (c#) with shedular

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C#

ASP.NET

i have 5 machines . In all machine sql server is installed but .Net application is installed only in one machine. Now i have to update all sql sever DB from that application .
but whenever network arises any kind of problem , in that case i need to update remaining DB . But later on whenever 5th machine gets network it should be update automatically .Can i create any kind of scheduler in C# . Please let me know what is best solution for that .

[edit]Amit : Removed eMail ID and Pre tag[/edit]