| Vuln ID | Severity | Asset | STIG | Title | Status | Doc Status | Assigned To | Actions |
|---|---|---|---|---|---|---|---|---|
| V-228386 | CAT III | MONT-MB-002 | Microsoft Exchange 2016 Mailbox Server S... | The Exchange Send connector connections count must... | - | |||
Check TextReview the Email Domain Security Plan (EDSP). Determine the value for SMTP Server Maximum Outbound Connections. Open the Exchange Management Shell and enter the following command: Get-TransportService | Select Name, Identity, MaxOutboundConnections If the value of "MaxOutboundConnections" is not set to "1000", this is a finding. or If "MaxOutboundConnections" is set to a value other than "1000" and has signoff and risk acceptance in the EDSP, this is not a finding. Fix TextUpdate the EDSP to specify the "MaxOutboundConnections" value. Open the Exchange Management Shell and enter the following command: Set-TransportServer -Identity <'IdentityName'> -MaxOutboundConnections 1000 Note: The <IdentityName> value must be in single quotes. or Enter the value as identified by the EDSP that has obtained a signoff with risk acceptance. Finding DetailsEvaluate-STIG 1.2507.5 (Scan-MSExchange2016MB_Checks) found this to be NOT A FINDING on 10/23/2025 ResultHash: F8A978FF11809B2FDBB73735F1F183BE74CFAD7B ~~~~~ MONT-MB-002 MaxOutboundConnections: 1000
Source: _Reviewed/MONT-MB-002/Checklist/MONT-MB-002_MSExchange2016MB_V2R6_20251023-152357.ckl
Scan Date: 2026-01-14T12:57:33.455034
Technology Area: Exchange Server
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