Windows Server 2012 R2 VPN Interoperability with Cisco ASA

The IKEv2 implementation difference between Windows RRAS Gateway and Cisco ASA results in the non-interoperability between the two VPN devices (documented in this VPN Interoperability guide). This interoperability is affecting a number of customers as Cisco ASA has a large user base. However, Cisco ASA being an End-Of-Line product, the OS update for these devices… Read more

Troubleshooting Site-to-Site (S2S VPN) connections on HNV gateway

For diagnosing and troubleshooting issues on Windows Server 2012 R2 Hyper-v Network Virtualization (HNV) gateway (GW) the following mechanisms are available: Management pack for System Center Operations Manager (SCOM) Best Practice Analyzer (BPA) This blog covers other tools that help in troubleshooting and diagnosing issues on HNV gateway. Unified Tracing (UT) Unified tracing (UT) in… Read more

VPN Interoperability guide for Windows Server 2012 R2

Introduction Microsoft® Windows® Server 2012 R2 industry standard IKEv2 tunnel for VPN connectivity (both point-to-site and site-to-site). This enables customers with existing third party VPN devices to easily deploy the Windows Server 2012 R2 VPN gateway and interoperate with these devices to perform branch-site networking. This document covers the working configurations for some of the… Read more

New Networking-related articles for the week of February 20 – February 26

Here are the latest networking-related articles I have to share this week: 2470853 IGMP v1 membership report packets are sent to incorrect destinations on a computer that is running Windows Server 2008 or Windows Vista 2487035 “0x00000027” Stop error when you try to access earlier versions of shared files that are hosted on a remote… 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 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 articles for the week of August 8 – August 14

Here are the most recently published networking-related articles: 978886 MS10-058: Vulnerabilities in TCP/IP could allow elevation of privilege 982214 MS10-054: Vulnerabilities in SMB Server could allow remote code execution 982316 An update is available for the Windows Telephony Application Programming Interface (TAPI) 982931 Some IP addresses on the network adapter are lost after you restart… Read more

New Networking-related KB articles since May 8

I’d like to apologize for not having any new KB articles to post for the past several weeks; some changes have been going on with the tools I use to find this information. Here are the most recent networking-related KB articles since my last entry on May 13th. I apologize in advance for any duplicates:… Read more

New Networking-related KB articles for the week of April 25 – May 1

I have a number of new networking-related KB articles for Windows to share this week: 974103 You cannot access the shared files or folders that are hosted on a Windows Server 2008-based or Vista-based computer if the path contains a junction point 980864 Some IPsec packets are dropped unexpectedly on a computer that is running… 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