Monthly Archives: September 2011

Remote Desktop Services RDS – Unable to logon from Windows 7 when certificate has expired

Posted on September 28, 2011 by admin

In Remote Desktop Services it is possible to tunnel all traffic over TLS. You can choose between a default certificate or from an external CA. If you pick a certificate that is autoenrolled from another CA there are some issues. When the … Continue reading →

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Write a CSR to a CA with Openssl

Posted on September 28, 2011 by admin

If you order i.e a wildcart certificate you dont want to generate the keys on a webserver because you cant just export them without special tools. Instead you can use openssl to make the CSR. 1. First we create a … Continue reading →

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Add third party CA in Active Directory to enable smart card logon

Posted on September 27, 2011 by admin

If you want to be able to use a smartcard issued by a third pary CA to logon to your Active Directory there are a few steps you have to do. You have to tell Active Directory to trust the … Continue reading →

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Active Directory – Disable inital sync

Posted on September 27, 2011 by admin

Before Active Directory starts it will do an inital sync with the other domain controllers. This can take several minutes if the other DC are offline. i.e in an test enviroment. Add the registry value below and reboot the DC … Continue reading →

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How to issue a new revocation list without the CA online

Posted on September 26, 2011 by admin

The CA certificate must be installed in the computers certificate store. Re-sign CRL InFile OutFile Validity period Days:Hours certutil -v -f -sign “PKI LAB ISSUING CA.crl” “PKI LAB ISSUING CA2.crl” 90:00

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Vmware, Slow console for Win2008-R2 on ESX 4.1

Posted on September 26, 2011 by admin

By  default the video RAM (Edit Settings/Video/Video Ram) is set to 8meg.  With that setting VM Tools will not install the WDDM driver. You need to  increase the ram to 32meg before doing VM Tools. If you don’t change the … Continue reading →

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Working with openssl and pkcs12 files

Posted on September 26, 2011 by admin

Extract the private key without password (encryption) from your pkcs12 file openssl >pkcs12 –in keyexport.pfx –nocerts –nodes –out keyexport.prv Enter the password used to create your pkcs12 (.pfx) file Extract the private with password (encryption) from your pkcs12 file openssl >pkcs12 –in keyexport.pfx … Continue reading →

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Metadata cleanup of a domain controller with ntdsutil

Posted on September 21, 2011 by admin

This can normaly be done by just deleting the domain controllers computer account. (Not prior to Windows 2008) Start ntdsutil.exe Act ins ntds metadata cleanup con connect to server [domain controller] q select op target list domains Select domain % list … Continue reading →

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Activate Netlogon debug logging

Posted on September 12, 2011 by admin

Activate Netlogon debug logging Enable: nltest /DBFlag:2080FFFF Restart the Netlogon service Disable: nltest /dbflag:0x0 Restart the Netlogon service OR Remove: HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/Netlogon/Parameters/DBFlag Restart the Netlogon service The log is found in %windir%\debug\netlogon.log http://support.microsoft.com/kb/109626

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Howto delete certificates on a .Net Smartcard

Posted on September 8, 2011 by admin

Card information Certutil -scinfo Remove certificate Certutil -delkey -csp “Microsoft Base Smartcard Crypto Provider” Container GUID

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