| DisplayName | Description | ID | Target | Category | Enabled | Instance Name | Counter Name | Frequency | Event_ID | Event Source | Alert Generate | Alert Severity | Alert Priority | Remotable | Event Log |
| OMS Gateway - Active Client Connection | Number of active client network (TCP) connections | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayActiveClientConnection | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | PerformanceCollection | True | OMS Gateway | Active Client Connection | 300 | 0 | | False | | | True | |
| OMS Gateway - Connected Client | Number of connected clients | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayConnectedClient | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | PerformanceCollection | True | OMS Gateway | Connected Client | 300 | 0 | | False | | | True | |
| OMS Gateway - Error Count | Number of errors | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayErrorCount | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | PerformanceCollection | True | OMS Gateway | Error Count | 300 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 105 | OMS Gateway Event 105 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection105 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 106 | OMS Gateway Event 106 - TLS | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection106 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 400 | OMS Gateway Event 400 - Any application error that does not have a specific ID. | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection400 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 401 | OMS Gateway Event 401 - Wrong configuration. For example: listenPort = "text" instead of an integer. | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection401 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 402 | OMS Gateway Event 402 - Exception in parsing TLS handshake messages. | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection402 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Event Collection Event 403 | OMS Gateway Event 403 - Networking error. For example: cannot connect to target server. | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayEventCollection403 | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | EventCollection | True | | | 0 | 0 | | False | | | True | |
| OMS Gateway - Rejection Count | Number of rejections due to any TLS validation error | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGateway.OMSGatewayRejectionCount | Microsoft.System.Center.Advisor.Monitoring.Addendum.OMSGatewayServer | PerformanceCollection | True | OMS Gateway | Rejection Count | 300 | 0 | | False | | | True | |