Connections in SQL Server

Hi to everybody, I have a problem that i don't know whether it's normal or only happens in my server. I have a PC Box with W2k Server, Apache 1.3.27, Sql Server 2000 and PHP4.3.1 The PHP is configured as a CGI of Apache and it has actived the options of mssql and persistents connections. The number of normal connections and persistents connections is unlimited as shows the php.ini. When i run a web page with normal connections (not persistents) in php with the Sql Server 2000 it shows me warnings of mssql_query()'s when it reaches the third query, not before. And the sql queries are correct because I've proved them in the Sql Server. But the most amazing thing is that if I update the page, then the warnings disappear forever from the application. I don't know if it is a misconfiguration or a bug of the php. Has it happened to anybody else? Any ideas how to solve this situation? Thanks Salva