Network Administration
Determining the cause of Windows server hang
Previously in this series, we talked about why Windows server hangs occur and how to prepare to resolve the problem using a tool called the Windows Kernel Debugger, or Windbg. In this article, we'll finish up by learning how to analyze the crash dump and fixing the issue....
Preparing to troubleshoot a hung Windows server
Previously in this series, we looked at some of the reasons why server hangs occur in a network. Now that you have a little background, let's look at the preparation process for resolving the problem using a tool called the Windows Kernel Debugger, or Windbg....
Windows 2003 Troubleshooting: Why do Windows servers hang?
Troubleshooting a hung or nonresponsive Windows server can be a challenging endeavor. Simply hitting the reset button is no longer a tolerated option as more companies use these servers for business-critical operations. This three-part series will explore the reasons why a Windows server may hang and provide a cookbook approach...
10 things you can do when Windows XP won't boot
When your computer hardware appears to power up okay, but the Windows XP operating system won't boot properly, you have to begin a troubleshooting expedition that includes getting into the operating system, determining the problem, and then fixing it. To help you get started on this expedition, here are 10...
10 ways to benchmark your Active Directory environment
Active Directory Services is the going standard for account provisioning, basic system management, and DNS authority in most environments. But having some accountability to determine what has changed over time can be a challenge. Here are some strategies for achieving accountability in your Active Directory environment. They'll help supplement your...
Microsoft Eschews Patch, Gives Exploit Code for IIS 5.0 Bug
Saying that an Internet Information Server exploit is due to a feature, not a flaw, Microsoft has published exploit code for the flaw but no workaround or patch....
Active Directory: Questions and Answers
What is the difference between Windows 2000 Active Directory and Windows 2003 Active Directory? Is there any difference in 2000 Group Polices and 2003 Group Polices? What is meant by ADS and ADS services in Windows 2003? Windows 2003 Active Directory introduced a number of new security features, as well...
Four steps to secured VoIP
Securing Voice over IP (VoIP) doesn't have to be a challenge for small and medium-sized businesses (SMBs). VoIP is basically a phone call over the Internet. It offers the same promises - and pitfalls - as the Internet. The promises are cheap and easy communication over a readily available and...
Define server roles, counterattack zero-day threats
Zero-day exploits are an unsettling issue for any administrator who is concerned with security. A zero-day exploit is an exploit against a previously undiscovered and undocumented vulnerability. The problem with zero-day exploits is that you are trying to protect the system against security holes that may or may not even...
Harden your network services and contain zero-day threats
We all dread the thought of zero-day threats; they arrive and you have no vaccine for them. These exploits are all too common in recent months and years. Fortunately, there are some common sense steps you can take to harden your network layer against these threats....
More Articles in Network Administration
- Eliminate zero-day threats with virtual server technology
- Permitting Ping: ICMP Exceptions
- Eight daily steps to a more secure network
- What you need to know about OSPF
- What you need to know about EIGRP
- Network Load Balancing: Economical means to scalability, fault tolerance
- Using the new DFS in Windows Server 2003 R2
- Active Directory scripting secrets: When GUI just isn't enough
- Extracting Active Directory info quick and easy with LDIFDE
- Taking out the Active Directory trash
