Howtos / Articles

View listening UDP ports on Windows

This guide shows you how to view a list of all the listening UDP ports on a Windows machine. This is useful for knowing if a service is listening on a specific port. View all listening UDP ports on Windows: Open the command prompt. Run the following command: netstat -an | find “UDP” | more Example output: UDP 0.0.0.0:1234 *:* UDP 0.0.0.0:1235 *:* UDP 0.0.0.0:1236 *:* UDP 0.0.0.0:1237 *:* UDP 0.0.0.0:1238 *:* UDP 0.0.0.0:1239 *:*…

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View listening TCP ports on Windows

This guide shows you how to view a list of all the listening TCP ports on a Windows machine. This is useful for knowing if a service is listening on a specific port, or if you need to know if a specific port is available to use for something like a web server. View all listening TCP ports on Windows: Open the command prompt. Run the following command: netstat -an | find “LISTENING” | more Example output: TCP 0.0.0.0:80 0.0.0.0:0…

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Flush the DNS cache on Windows

Windows will cache DNS resolution results for a period of time. You may need to clear this cache if you need to make sure the DNS value is up to date. The command below can be used to flush the DNS cache on a Windows machine. This can he useful if you are changing entries in the hosts file and you need to clear out any cached DNS resolution queries. Clear the DNS cache on Windows: Open the command prompt.…

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Format drive with FAT32 in Windows 7

For some reason, the option to format a drive with the FAT32 filesystem was removed from the GUI format tool in Windows 7. Thankfully you can still do it from the command line format utility. This guide will step you through the process of formatting a drive using the FAT32 filesystem using the command line. Format a drive with FAT32 in Windows 7 First you will need to open up the command prompt. To format the drive, use the following…

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Microsoft SQL Server 2008 Express Limitations

Microsoft SQL Server 2008 Express Edition is a great database engine that is more than capable of handling most small business database requirements. There are however some limitations. The details below outline the main limitations in SQL 2008 Express Edition. (Note: This information is not for SQL Server 2008 R2. If you are after the details for the limitations on SQL Server 2008 R2, please check out Microsoft SQL Server 2008 R2 Express Limitations). CPU: 1 CPU (based on a…

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