1. To support searching on the site, enable Indexing Service.
2. If the site is in 64-bit mode and needs to support Crystal reports, enable 32-bit support.
Tip: If you do not need Crystal, you can remove the Crystal references from the site's app.config and leave it in 64-bit mode.
□ Select Start > Administrative Tools > Internet Information Services (IIS) Manager.
□ Select Classic.NET AppPool.
□ Set Advanced Settings, Enable 32-Bit Applications to True.