What You Need to Know About Cloud Backup and Disaster Recovery

Using the cloud for backup and recovery is a choice many businesses utilize but make sure you understand the entire picture before moving to that recovery model.


Microsoft Azure Outage — Was it a DNS DDoS?

Azure recently experienced a nasty outage, lasting several hours. It seems to have been centered around DNS, but had wide side effects. Microsoft’s cloud platform took something of a beating. By the sound of it, a DDoS could have been to blame. Or not. Redmond isn’t saying…

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Self-Replicating DNS Forwarders Problems in Windows Server 2008/2012

Need help with DNS forwarding? Daniel Petri points out some issues with how DNS forwarding is handled in Windows Server 2008/2012 that you should be aware of.

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Configure DNS forwarders in Windows Server 2012 R2

In part two of our series on DNS forwarding, learn how to configure DNS forwarders in Windows Server 2012 R2 using the Windows GUI and the command prompt.

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Best Practices for DNS Forwarding

Need to know what a DNS forwarder is? Daniel Petri compares it to root hints, and then offers some best practices on how to use DNS forwarders effectively.

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Configuring Basic DNS Records in Windows Server 2008 R2 and 2012

In the fourth and final part of our series, learn to configure DNS records in Windows Server 2008 R2 and Windows Server 2012 in this tutorial!

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Configure a DNS Server Address for a Network Adapter in Windows Server

DNS plays a vital role in a healthy AD environment. Learn to configure DNS settings for a network adapter in Windows Server 2012 in this quick Ask an Admin article.

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Using DNS Logs As a Security Information Source

Recently a number of tech companies experienced network attacks. Learn how DNS logs and analysis can be a useful sources of security information in this article by Qualys CTO Wolfgang Kandek.

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Why do I get lots of 407 and 408 Event IDs in my DNS event log?

If you also have NAT installed on the same server that hosts the DNS server, you will get these errors. NAT has a DNS Proxy setting that enables DHCP clients to direct DNS queries to the NAT server. The client DNS queries are then forwarded to the NAT server’s configured DNS server. The DNS Proxy…

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Sometimes when I use DCPROMO to install AD and the DNS service on my Windows 2000 Server, it does not create the correct entries in the zone database. Why?

After you run Dcpromo.exe and Windows 2000 automatically installs and configures the Domain Name System (DNS), the primary DNS server is left as the current DNS server. This causes Netlogon error messages that are related to DNS registration not working. For example: Event Source: NETLOGON Event Category: None Event ID: 5781 Date: Time: User: Computer:…

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