This policy setting allows you to manage whether documents can request data across third-party domains embedded in the page.
If you enable this policy setting, documents cannot request data across third-party domains embedded in the page.
If you disable or do not configure this policy setting, documents can request data across third-party domains embedded in the page.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_CROSS_DOCUMENT_MESSAGING |
| Value Name | iexplore.exe |
| Value Type | REG_DWORD |
| Enabled Value | 0 |
| Disabled Value | 1 |