| Vuln ID | Severity | Asset | STIG | Title | Status | Doc Status | Assigned To | Actions |
|---|---|---|---|---|---|---|---|---|
| V-228379 | CAT III | MONT-MB-002 | Microsoft Exchange 2016 Mailbox Server S... | Exchange Mail quota settings must not restrict rec... | - | |||
Check TextOpen the Exchange Management Shell and enter the following command: Get-MailboxDatabase | Select Name, Identity, ProhibitSendReceiveQuota If the value of "ProhibitSendReceiveQuota" is not set to "Unlimited", this is a finding. or If the value of "ProhibitSendReceiveQuota" is set to an alternate value and has signoff and risk acceptance in the EDSP, this is not a finding. Fix TextOpen the Exchange Management Shell and enter the following command: Set-MailboxDatabase -Identity <'IdentityName'> -ProhibitSendReceiveQuota Unlimited 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) was unable to determine a Status but found the below configuration on 10/23/2025: ResultHash: 8437028AB0D66DFD05F9CF673925678D16CBF461 ~~~~~ MB-002-DefaultDB ProhibitSendReceiveQuota IsUnlimited: False [Expected True] Value: 2.3 GB (2,469,606,400 bytes)
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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