The PR_GW_MTSIN_ENTRYID property contains the entry identifier for a gateway's MTS-IN folder.
| Header file: | EDKMDB.H | 
| Applies to: | Gateway message store objects (information store objects) | 
| Identifier: | 0x6628 | 
| Property type: | PT_BINARY | 
| Access: | Read-only | 
The MTS-IN folder is used to transfer messages from a gateway to the Microsoft Exchange Server information store.