KB ID 0000262 Dtd 27/05/10
Seen Installing Exchange 2007 SP1 on Windows Server 2008 R2.
Error: An error occurred. The error code was 3221684229. The message was Access is denied.
1. Close down any open Exchange 2007 install windows and select “No” if asked to reboot.
2. Navigate to setup.exe in your Exchange 2007 media > Right click > Properties > Compatibility tab > Tick “Run this program in compatibility mode for:” > Select “Windows Vista (Service Pack 2) > Apply > OK.
3. Re-run the setup.exe > Add in the Mailbox Role.
4. This time it should complete successfully.
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