--- title: Microsoft Exchange Client Access Server discovery description: Discovery creates or updates a CMDB record when it detects a running instance of Microsoft Exchange Client Access Server \(Microsoft Exchange CAS\). locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/it-operations-management/itom-visibility/r-ExchangeClientAccessServer.html release: australia product: ITOM Visibility classification: itom-visibility topic_type: reference last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Software discovery, Data collected by ITOM Visibility, ITOM Visibility reference, ITOM Visibility, IT Operations Management] --- # Microsoft Exchange Client Access Server discovery Discovery creates or updates a CMDB record when it detects a running instance of Microsoft Exchange Client Access Server \(Microsoft Exchange CAS\). By default, Discovery uses the **CAS On Windows** pattern to discover the Exchange Client Access Server. **Note:** For information on Probe to Pattern migration see the knowledge article [KB0694477](https://support.servicenow.com/kb_view.do?sysparm_article=KB0694477). ## Data collected by Discovery on the Exchange Client Access Server The following data is collected on the Exchange Client Access Server `[cmdb_ci_exchange_cas]` table: |Label|Field Name| |-----|----------| |Name|name| |Version|version| |Class|sys\_class\_name| |Fully qualified domain name|fqdn| |IP Address|ip\_address| |Installation directory|install\_directory| |Type|type| **Parent Topic:**[Software discovery](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-operations-management/itom-visibility/c_Software.md)