Backup and Restore DHCP with Failover Configuration

[This post comes to us courtesy of Vithalprasad Gaitonde from Product Group and Gopalakrishnan Krishnan from Global Windows Networking Support] The DHCP service has evolved with its own in-built failover capability starting Windows Server 2012. With this coming into the picture, how can one go about backing up the DHCP server service with the failover… Read more

New Networking-related articles for the week of December 12 – January 1

Happy New Year! At long last, I’m back at work and armed with the latest content. Here are the latest networking-related articles for the past few weeks: 2440591 MS10-099: Vulnerability in Routing and Remote Access could allow elevation of privilege 2470540 The host record of a computer that has a static IP address and that… Read more

New Networking-related articles for the week of October 10 – October 16

The drought appears to be over! I have quite a number of new networking-related articles to share with you this week: 2248145 IPsec connection in the IKEv1 tunnel mode fails from a computer that is running Windows 7 or Windows Server 2008 R2 2353808 The WINS replication operation fails on a failover cluster node that… Read more

New Networking-related articles for the week of August 22 – August 28

Hey everyone – here are the most recently published networking-related articles: 2276930 Windows Vista Client releases its DHCP Lease during reboot unexpectedly 2029072 “Windows Easy Transfer can’t connect to your other computer” error message when you try to transfer data to a Windows 7-based computer that has a Winsock LSP installed 2264080 An update rollup… Read more

New Networking-related KB articles for the week of April 11 – April 17

After a couple weeks with no new networking-related Knowledge Base articles, the floodgates have opened once again! On a related note, I am considering reducing the frequency of this post to twice monthly to avoid creating blog posts to let you know we have no new KB articles for a given week. Feel free to… Read more

New Networking-related KB articles for the week of February 21 – February 27

Here are the most recently published networking-related Knowledge Base articles for the week of February 21 through February 27: 979272 FIX: Communication over an IPsec connection is broken unexpectedly when a client reconnects to the IPsec server within four minutes after the client restarts 977336 You cannot migrate or import the Hyper-V role and the… Read more

New Networking-related KB articles for the week of February 7 – February 13

We have had a couple of lean weeks recently with very few new KB articles to report, but that is certainly not the case this time around! Here are the latest networking-related KB articles: 979554 The creator of an SNMP trap notification cannot be identified in Windows Server 2003 978972 Stop error message when you… Read more

New Networking-related KB articles for the weeks of December 13 – December 19 and December 20 – December 26

I hope everyone is enjoying the holiday season. Here are the latest networking-related Knowledge Base articles published in the past 2 weeks: 961186  NDIS 5.x USB network adapters do not appear in Performance Monitor 961256  The DNS PTR record might be deleted if you change the DNS server order on a Windows 2003 machine 977172 … Read more

Optimizing your network to keep your DNS squeaky clean

I have run into this issue several times: My customer has a fairly large network, with several subnets. They have wireless clients unplugging from Ethernet and dashing to conference rooms, then closing their laptop and heading home. The client starts a VPN session and continues working… Then, their spouse needs to use the computer, so… Read more

DHCP Client Behavior

Many Transmission Control Protocol/Internet Protocol (TCP/IP) networks use Dynamic Host Configuration Protocol (DHCP) servers that are administratively set up to allocate TCP/IP configuration information to clients on the network.  DHCP is a TCP/IP standard that reduces the complexity and administrative overhead of managing network client IPv4 / IPv6 addresses and other configuration parameters.  We will… Read more