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Auditing Password and Account Lockout Policy on Windows Server 2008 and R2
Ned here again. Let’s talk about auditing your domain for changes made to Password and Account Lockout policies. Frankly, it’s a real pain in the neck to figure out Password and Account Lockout auditing and there are legacy architectural decisions behind Read More...
NTLM Blocking and You: Application Analysis and Auditing Methodologies in Windows 7
Ned here again. Windows 7 and Windows Server 2008 R2 introduce a long sought feature known as NTLM blocking. This prevents NTLM from being used for authentication. IT works in both a send or receive mode, and allows you to create exceptions. There’s currently Read More...
Internet Explorer behaviors with Kerberos Authentication
Hey Rob here again, I thought that I would share with you some of the things that we see where Internet Explorer Kerberos authentication fails. It is important to understand the default behavior of Internet Explorer and its support for Kerberos authentication Read More...
SQL Bulk Insert - Access is Denied
Hey all, Mark from DS again. I have found that numerous cases have been opened where Microsoft customers are upgrading from SQL 2000 to SQL 2005. After the upgrade they were attempting to run a bulk insert statement either in the Enterprise Manager or Read More...
Conficker causes LSASS to consume CPU Time on Domain Controllers
Hi Gautam here, I wanted to blog about a high-impact problem we have been seeing recently. The problem has to do with LSASS consuming a lot of CPU time on your Domain Controllers (DC's). The cause of this high CPU turns out to be Conficker infected computers Read More...
“The LastLogonTimeStamp Attribute” – “What it was designed for and how it works”
Warren here. In Windows Server 2003 we introduced the lastLogontimeStamp attribute. Administrators can use the lastLogontimeStamp attribute to determine if a user or computer account has recently logged onto the domain. Using this information administrators Read More...
How to Hide User Information When Computer is Locked
Hi, this is Amit from the Directory Services team and I am going to discuss a Group Policy setting which is now available in XP SP3 & 2003 SP2. Whenever we logon to a Windows workstation, we always see a previously logged on user; we might want to Read More...
Addendum: Making the DelegConfig website work on IIS 7
Hi All Rob here again. I thought I would take the time today and expand upon the Kerberos Delegation website blog to show how you can use the web site on IIS 7. Actually, Ned beat me up pretty badly for not showing how to set the site up on IIS 7 [ I Read More...
Fun with the Kerberos Delegation Web Site
Hi, Rob here. First I want to thank you guys for reading and participating in our blogging efforts. I had one of you e-mail us and ask about the web site I used in the Kerberos Authentication Troubleshooting blogs and if they could get a copy of it. The Read More...
Getting a CMD prompt as SYSTEM in Windows Vista and Windows Server 2008
Ned here again. In the course of using Windows, it is occasionally useful to be someone besides… you. Maybe you need to be an Administrator temporarily in order to fix a problem. Or maybe you need to be a different user as only they seem to have a problem. Read More...
Kerberos Authentication problems – Service Principal Name (SPN) issues - Part 1
Hi Rob here again. I hope that you found the first blog on troubleshooting Kerberos Authentication problems caused by name resolution informative and learned something about how to review network captures as well as how the SMB protocol works at a high Read More...
Troubleshooting Kerberos Authentication problems – Name resolution issues
Hi Rob here. I thought I would show you how we in Microsoft Commercial Technical Support typically troubleshoot Kerberos authentication issues. This discussion should do much to get you more comfortable viewing network traces for Kerberos authentication Read More...
Special Groups Auditing via Group Policy Preferences
Ned here again. Today I’m going to talk about a new feature of Windows Server 2008 and Windows Vista called Special Groups auditing . While we’re in here, I’ll run through how we can use the new Group Policy Preferences (GPP) client-side Read More...
Kerberos for the Busy Admin
Hi Rob here, I am a Support Escalation Engineer in Directory Services out of Charlotte, NC, USA. We work a lot of Kerberos authentication failure issues. Since Kerberos is typically the first authentication method attempted, it ends up having authentication Read More...
Windows Logon Options in Vista/2008: Part Two of Two
Blog time again… Previously, I wrote about two of the policy settings under the computer configuration. Today, I’ll finish writing about the Windows Logon Options policy category by covering the remaining policy setting under the computer Read More...
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