Windows Vista 64 Bit Autologin
Just received a note from a reader:
Hi Steve,
Is the auto logon program you have for download supposed to work with Windows Vista Ultimate x64? (doesn’t seem to work)
It works just fine on x86 Vista, but doesn’t autologon with x64 machines.
Thanks
This particular utility writes to some registry keys under HKEY_LOCAL_MACHINE\Software. That makes it a target for an application compatibility technology in Vista known as registry virtualization.
Many older Windows applications assume administrator access. This means reading and writing freely to HKEY_LOCAL_MACHINE. This is not compatible with the Vista security model. To work around it Vista will intercept these requests and redirect them to a HKEY_CURRENT_USER key that looks identical. This way allows the application to work, and avoid asking for full administrative access via the UAC prompt.
There are a few rules 64 bit Vista uses for virtualizing registry reads and writes:
-The application must be 32-bit interactive process
-The key that is written to must be...
Written by Steve Wiseman on August 8th, 2008 with no comments.
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