Cisco PIX/ASA Causes SMTP Banner Corruption

Traffic inspection rules on a Cisco PIX or ASA firewall will sometimes cause the SMTP banner to appear corrupted. When testing access to your mail server from outside, you may notice that the SMTP banner looks like this: This is just a symptom of the problem, which is that the SMTP traffic inspection rule is […]

Supporting Exchange 2007 on Windows Server 2008 R2

While it was previously announced that Exchange 2007 would not be supported on Windows Server 2008 R2, that decision has been reversed and support for this combination will be forthcoming. According to this post, at the Microsoft Exchange Team Blog: We always talk about listening to customers and sometimes this is written off by many […]

Windows Server 2008 R2 is 64-bit ONLY

Just in case you are wondering. Here is a technet blog post about it: …and a little more on the subject at Brian Madden’s blog: Posted via email from Aaron Johnstone

How to Safely Transfer DNS Records

Occasionally, you will find yourself in a situation where you have to transfer DNS records from one set of name servers to another.  It is not a technically difficult process, but one that must be handled with the greatest care so that you don’t leave your company (or your client) without email or access to […]

Various ways to reboot a Windows Server remotely

There are many different ways to reboot a Windows Server.  When you spend as much time working on systems remotely as I do, you want to have as many tools/options available as possible when you are working on a server in Virginia (I live and work in Central Texas) and it doesn’t reboot normally.  Instead […]

Sizing virtual machine hosts

How do you size a virtual machine host? There are 4 main criteria which you have to evaluate: CPU Memory Storage Network CPU Make sure you have CPUresources sufficient to eclipse the most demanding guest VM that you are planning to run on the host.  If you are planning on running a SQL server, get […]

NTFS Security Not Transferred When Copying Files

When copying files from one server to another, the NTFS security ACLs on them are not transferred, and the files inherit the permissions of the destination folder.  If the permissions are simple, and set at just one level at the top of the folder hierarchy, it’s not a big deal to just set them again […]

Set up VPN Client Access on a Cisco ASA

This article walks through how to configure a remote access VPN connection on a Cisco ASA 5500-series firewall. 1.  Log in to the Cisco ASDM 2.  Go to the Wizards menu and run the VPN Wizard. 3.  Choose the ‘Remote Access’ type on the VPN Tunnel Type page: 4.  Choose “Cisco VPN Client” for the […]

Configure Cisco ASA remote access VPN to use RADIUS

This article will help with setting up a Cisco ASA 5500-series firewall to use RADIUS to query a Microsoft Windows Active Directory domain controller to authenticate users who are connecting in using the Cisco VPN client. 1. Install the Internet Authentication Service (IAS) Windows component 2. Open the IAS console 3. Add the Cisco ASA […]

How to create a DFS replica in Server 2000

When you are creating a DFS replica of a shared folder to a new location: – Create a shared folder on the destination server – Right-click on the share in the DFS management tool and choose Add Replica… – Select the shared folder you just created – Configure the replication to happen automatically. – After […]