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The up.time The Uptime Infrastructure Monitor Exchange monitor collects the following performance metrics from a Microsoft Exchange 2007 / 2010 / 2013 server:

MetricExplanationPerformance Object
SMTP Bytes Sent Per SecondThe total number of bytes sent per second by the Exchange SMTP server.MSExchange Transport SMTP Send BytesSentPerSec
SMTP Bytes Received Per SecondThe total number of bytes received per second by the Exchange SMTP server.MSExchange Transport SMTP Receive BytesReceivedPerSec
SMTP Messages Sent Per SecondThe maximum number of messages sent per second allowed by the SMTP server.MSExchange Transport SMTP Send MessagesSentPerSec
SMTP Messages Received Per SecondThe maximum number of messages received per second allowed by the SMTP server.MSExchange Transport SMTP Receive MessagesReceivedPerSec
SMTP Average Bytes Per MessageThe average number of message bytes per inbound message received, indicating the size of messages received through an SMTP receive connector.MSExchange Transport SMTP Receive AveragebytesPerMessage
SMTP Inbound ConnectionsThe number of incoming connections that the SMTP server allows.MSExchange Transport Smtp Receive ConnectionsInboundCurrent
SMTP Outbound ConnectionsThe number of outbound connections that the server allows to all remote domains.MSExchange Transport SMTP Send ConnectionsOutboundCurrent
Average Delivery TimeThe average time, in milliseconds, between an Exchange server receiving a message from the client, and an Exchange server deliverying the message to an Inbox.MSExchangeIS Mailbox AverageDeliveryTime
Active ConnectionsThe number of connections to the Exchange store that have shown activity in the last 10 minutes.MSExchangeIS ActiveConnectionCount
Active Client LogonsThe number of clients that performed any action within the last 10-minute time interval.MSExchangeIS Mailbox ActiveClientLogons
Active User CountThe number of unique user connections that have logged on to the server and shown activity in the last 10-minute time interval.MSExchangeIS ActiveUserCount
Current Webmail UsersThe number of unique users currently logged in to Outlook Web Access. This counter decreases when users manually log out or their sessions time out.MSExchangeOWA CurrentWebmailUsers
Webmail User Logons Per SecondThe number of Outlook Web Access logins or login attempts per second.MSExchangeOWA WebmailUserLogonsPerSec
RPC Averaged LatencyThe average time, in milliseconds, it takes for the last 1,024 packets to be processed.MSExchangeIS RPCAveragedLatency
RPC Operations Per SecondThe rate that RPC operations occur, and implicitly, how how many RPC requests are outstanding.MSExchangeIS RPCOperationsPerSec
RPC RequestsThe number of client requests that are currently being processed by the Exchange store.MSExchangeIS RPCRequests

 

The up.time Uptime Infrastructure Monitor Exchange 2003 monitor collects the following performance metrics from a Microsoft Exchange 2003 server:

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