New Networking-related articles for the week of September 5 – September 11

Hi everyone – below are the most recently published networking-related articles: 2253198 Remote Desktop Gateway Installation And Public Configuration 2253032 DirectAccess Installation and Configuration 2253119 NLB migration questions and answers 2161341 Active Route removed on Windows Server Failover Cluster – Mike Platts… Read more

New Networking-related articles for the week of August 29 – September 4

Hi all – here are the most recently published networking-related articles: 2286940 802.1Q VLAN Tagging on NLB enabled adapters 2388131 FTP uploads using Windows Explorer and Internet Explorer are slower than FTP uploads using command prompt – Mike Platts… Read more

New Networking-related articles for the week of August 15 – August 21

Hi everyone. Here are the most recently published networking-related articles: 2269810 Microsoft support for Single Label Domains 2272153 It takes four minutes for a computer that is running Windows Vista or Windows Server 2008 to open a Microsoft Office 2003 document from a network share 2383674 Long installation times or sluggish behavior in Windows 7… 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

Cannot access the virtual or dedicated IP address of an NLB node (Guest) running in Unicast Mode on Windows Server 2008 R2 Hyper-V

When you configure NLB in unicast mode on virtual machines (guest machines) running on Windows Server 2008 R2 Hyper-V, you may not be able to ping the virtual IP address or the dedicated IP address of the virtual machines. With this problem, if you take a network capture on the machine you are pinging from,… Read more

New Networking-related KB articles for the week of January 24 – January 30

After a week with nothing to report, we finally have a few new networking-related KB articles this time around: 978943 Windows Server 2008 R2-based NLB nodes remain in a converging state indefinitely 979602 Error message when you try to connect to a printer by using an alias (CNAME) resource record: “Windows couldn’t connect to the… Read more

A Windows Server 2008 R2 Virtual Machine may crash with a blue screen after configuring NLB on it

We have heard from a few customers about an issue with configuring Network Load Balancing (NLB) on Windows Server 2008 R2 virtual machines. This problem may occur with a Windows Server 2008 R2 virtual machine (guest) on Hyper-V or VMware. When you configure NLB on a Windows Server 2008 R2 system that is a virtual… Read more

Configuring NLB on Windows Server 2008 as a member of the local Administrators group may not work as expected on standalone servers

BALANCING ACT I had a call from a customer with a very strange problem. The team that builds servers for his company likes to keep the Administrator account out of reach of everyone but a tiny circle of people. That is a good thing in most cases. They add individual user accounts to the Administrators… Read more

Unable to connect to Windows Server 2008 NLB Virtual IP Address from hosts in different subnets when NLB is in Multicast Mode

If you work with NLB in Multicast mode on Windows Server 2008, this is a must read for you, as you may run into this issue. Symptoms: You cannot connect to the NLB Virtual IP Address when NLB is running in Multicast Mode on Windows Server 2008 from machines on the other subnets.  You will… Read more

Windows Server 2008 NLB uses only the Primary Cluster Network Address

In Windows Server 2008 NLB (Network Load Balancing) we display a Network Address for each Cluster IP address, but we only use the Primary IP Network Address when responding to ARP Requests.  In Windows Server 2003, we did not expose each individual Network Address when there were multiple cluster IP addresses.  The confusion comes in… Read more