IT Support Diary Everyday IT support issues and solutions

Backup and restore Active Directory

12.03.2008 · Posted in Windows 2003

Two months ago, my company upgraded their domain from NT4 to Windows AD 2003. The final stage of the project was to plan a disaster recovery solution for the domain controllers. Facts about AD backup and restore When you reboot after restoring, Active Directory replication replicates changes. Items restored non-authoritatively will be overwritten during replication. Use ...

Troubleshooting TCP/IP

12.03.2008 · Posted in Networking

Before troubleshooting any connection issue, you need to know about these facts The following table lists the default IP addressing classes and masks: Class Address Range Default Mask A 1.0.0.0 to 126.255.255.255 255.0.0.0 B 128.0.0.0 to 191.255.255.255 255.255.0.0 C 192.0.0.0 to 223.255.255.255 255.255.255.0 D 224.0.0.0 to 239.255.255.255 (multicast addresses) E 240.0.0.0 to 255.255.255.255 (experimental addresses) ...

Beyond Compare

12.03.2008 · Posted in Tools

Beyond Compare is the most useful tool you will ever encounter if you need to synchronize or compare files and folders located on different machines. It will compare files and folders according to sizes and data modified, at a very high speed. Beyond Compare also gives you the options of filtering, so that you can ...

WinSCP

12.03.2008 · Posted in Tools

WinSCP which is a free opensource SFTP and FTP clients for Windows. It is a GUI application that allows you to copy files to and from Windows or Linux systems. The installation is simple and straightforward. You need the IP address of your Linux server with a username and password to connect.   Add to Bookmark: ...

Disaster recovery for VMWare ESXi

12.03.2008 · Posted in VM Ware ESXi 3.5

In July 2008, VMware released a free version of the VMware ESXi hypervisor. The free version is officially called VMware ESXi 3.5. This move has not only increased VMware presence in the market, but the majority of VMware’s revenues come from selling its Virtual Infrastructure management suite, which you have to buy. Earlier this month ...