1. Higher specification PCs and networks will improve performance, and may be recommended for certain Operating System choices. Consult Microsoft documentation for more details.

2. Additional disk space may be required as local database size increases.

3. SSL Secured Mail Services are not supported.

4. Anti-Virus products are recommended but should be disabled during install and re-enabled afterwards. As with any Anti-Virus product, some configuration may be required for Act! to perform properly.

5. Windows Server 2016 support requires Act! v19.2.

6. Server Core installations of Windows Server 2008 R2 are not supported.

7. Only for supported for upgrades, not new/clean installations of Act!.

8. Microsoft SQL Server® 2016 support requires Act! v19.2.