Thank you for your post.
FileMaker Server 9.0v3 fixed a number of issues. You can view the changes and download the update through Knowledge Base Article #6793:
Following that, there is another update for SSL certificate file and Admin Console running under 64-bit. This update is available through Knowledge Base Article #7015:
We encourage everyone running FileMaker Server 9 to update to 9.0v3.326.
FileMaker Server 9 does have some issues on Snow Leopard, so if you plan on using Snow Leopard, we encourage you to update to FileMaker Server 10.