Enable this policy to preserve compatibility with old index
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | software\Policies\Copernic\DesktopSearch\config\User\Engine\SearchPlatform |
| Value Name | UsesLegacyMapiPlugInsOnNextBoot |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |