The up.time The Uptime Infrastructure Monitor Exchange monitor collects the following performance metrics from a Microsoft Exchange 2007 / 2010 / 2013 server:
| Metric | Explanation | Performance Object |
| SMTP Bytes Sent Per Second | The total number of bytes sent per second by the Exchange SMTP server. | MSExchange Transport SMTP Send BytesSentPerSec |
| SMTP Bytes Received Per Second | The total number of bytes received per second by the Exchange SMTP server. | MSExchange Transport SMTP Receive BytesReceivedPerSec |
| SMTP Messages Sent Per Second | The maximum number of messages sent per second allowed by the SMTP server. | MSExchange Transport SMTP Send MessagesSentPerSec |
| SMTP Messages Received Per Second | The maximum number of messages received per second allowed by the SMTP server. | MSExchange Transport SMTP Receive MessagesReceivedPerSec |
| SMTP Average Bytes Per Message | The 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 Connections | The number of incoming connections that the SMTP server allows. | MSExchange Transport Smtp Receive ConnectionsInboundCurrent |
| SMTP Outbound Connections | The number of outbound connections that the server allows to all remote domains. | MSExchange Transport SMTP Send ConnectionsOutboundCurrent |
| Average Delivery Time | The 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 Connections | The number of connections to the Exchange store that have shown activity in the last 10 minutes. | MSExchangeIS ActiveConnectionCount |
| Active Client Logons | The number of clients that performed any action within the last 10-minute time interval. | MSExchangeIS Mailbox ActiveClientLogons |
| Active User Count | The 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 Users | The 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 Second | The number of Outlook Web Access logins or login attempts per second. | MSExchangeOWA WebmailUserLogonsPerSec |
| RPC Averaged Latency | The average time, in milliseconds, it takes for the last 1,024 packets to be processed. | MSExchangeIS RPCAveragedLatency |
| RPC Operations Per Second | The rate that RPC operations occur, and implicitly, how how many RPC requests are outstanding. | MSExchangeIS RPCOperationsPerSec |
| RPC Requests | The 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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