Hi all, Many times I get requests through my blog to provide code samples on some specific topics. Unfortunately I don't have time to fulfill such requests. Usually the only way for me to be able to do that is if you open what we call an Advisory...

Hi all, Some time ago a customer of mine was trying to export the private key associated to a certificate stored in a smart card , and for that he was trying to use the RSACryptoServiceProvider.ExportParameters method with a code like the following...

Hi all, Sometime ago a customer of mine had some problems in his x64 machine when running WMI queries in Powershell . Take for instance the following query : " Get-WMIObject Win32_LogicalDisk " It failed with the following error...

Hi all, Sometime ago a customer of mine faced the following issue on his .NET Framework 3.5 app: System.DirectoryServices.AccountManagement.UserPrincipal.IsMemberOf returned false negatives when the group had more than 1500 members . This means...

Hi all, Some time ago a customer of mine reported the following issue with SetWindowsHookEx API: Their application had global hooks to monitor for both keyboard and mouse input. On Windows 7 , and under high CPU usage, those hooks were getting...

Hi all, The other day a customer of mine was trying to use OWA to sign an email with a specific certificate , with no success . To put you in situation, he had two certificates with very similar properties, but slightly different. When he accessed...

Hi all, If you used to query Active Directory properties like TerminalServicesProfilePath , TerminalServicesHomeDrive and TerminalServicesHomeDirectory on Windows Server 2003 , you may have realized already that those properties are not available on...

Hi all, Some time ago a customer of mine wanted to use the Windows Server 2008 R2 Certificate Enrollment Web Services , so they could send a PKCS#10 request and get the certificate back. They followed the instructions in this whitepaper: Certificate...