M365 Mailbox Count M365 Monitor

Microsoft.SystemCenter.M365.Monitor.MailboxCountM365 (UnitMonitor)

This monitor determines the number of mailboxes that exist under M365 and the associated organization's location.

Knowledge Base article:

Summary

This monitor utilizes the Microsoft Graph API to determine the number of mailboxes that exist under M365 and the associated organization's location. This monitor has two health states, healthy and critical. The health state is simply determined by whether the count and location are obtained.

Causes

An error state is caused by having issues with connecting to Microsoft 365 or fetching data. It can be caused by the following:

Issues with global connection to Microsoft 365.
Credentials for Microsoft 365 subscription are not correct.
Microsoft 365 subscription not allowed to get data from Microsoft 365.

Resolutions

Resolution depends on the specific error. Verify and/or fix the following:

Connectivity to Microsoft 365, including firewall and proxy settings.
Credentials for Microsoft 365 subscription may need to be changed or updated.
Update permissions for the Microsoft 365 subscription.

Element properties:

Target

Microsoft.SystemCenter.M365.WatcherNodeApplication.M365MailFlow

Parent Monitor

Microsoft.SystemCenter.M365.Monitor.Availability.WatcherNode.M365MailFlow

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.SystemCenter.M365.Monitor.MailboxCountM365.UnitMonitorType

Remotable

True

Accessibility

Public

Alert Message

M365 Mailbox Count M365 Monitor: Failure

This monitor is unable to determine the number of mailboxes that exist under M365 and/or the associated organization's location.
{0}

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.SystemCenter.M365.Monitor.MailboxCountM365" Accessibility="Public" Enabled="true" Target="Microsoft.SystemCenter.M365.WatcherNodeApplication.M365MailFlow" ParentMonitorID="Microsoft.SystemCenter.M365.Monitor.Availability.WatcherNode.M365MailFlow" Remotable="true" Priority="Normal" TypeID="Microsoft.SystemCenter.M365.Monitor.MailboxCountM365.UnitMonitorType" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SystemCenter.M365.Monitor.MailboxCountM365.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/Property[@Name='Alert Message']$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Success" MonitorTypeStateID="Healthy" HealthState="Success"/>

    <OperationalState ID="Error" MonitorTypeStateID="Critical" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>900</IntervalSeconds>

    <AzureADEndpoint>$Target/Host/Property[Type="Microsoft.SystemCenter.M365.WatcherNodeApplication"]/AzureADEndpoint$</AzureADEndpoint>

    <GraphEndpoint>$Target/Host/Property[Type="Microsoft.SystemCenter.M365.WatcherNodeApplication"]/GraphEndpoint$</GraphEndpoint>

    <TenantId>$Target/Host/Property[Type="Microsoft.SystemCenter.M365.WatcherNodeApplication"]/TenantId$</TenantId>

    <ApplicationClientId>$RunAs[Name="Microsoft.SystemCenter.M365.RunAsProfile.ApplicationClient"]/UserName$</ApplicationClientId>

    <ApplicationClientCredentials>$RunAs[Name="Microsoft.SystemCenter.M365.RunAsProfile.ApplicationClient"]/Password$</ApplicationClientCredentials>

    <DelegatedUserId>$RunAs[Name="Microsoft.SystemCenter.M365.RunAsProfile.DelegatedMailSender"]/UserName$</DelegatedUserId>

    <DelegatedUserCredentials>$RunAs[Name="Microsoft.SystemCenter.M365.RunAsProfile.DelegatedMailSender"]/Password$</DelegatedUserCredentials>

    <MatchCount>1</MatchCount>

  </Configuration>

</UnitMonitor>