I'm getting this alert in my console And I'm receiving event 31555 in my Operations Manager log every 10 minutes, and when I check my syncronization object it shows unhealthy.
|Data Warehouse maintenance mode synchronization process
failed to read data||Data Warehouse maintenance mode synchronization process
failed to read data||Alert Description|
| -------- | -------- | -------- | -------- | -------- |
|Data Warehouse maintenance mode synchronization process
failed to read data Data Warehouse maintenance mode synchronization process failed to read data||Alert Description|
||||
|Source:Data Warehouse Synchronization
Service Source: Data Warehouse Synchronization Service Full Path Name: Data Warehouse Synchronization Service Alert Monitor Data Warehouse Maintenance Mode Synchronization Data Reader Recovery State Created: 6/3/2024 6:02:15 AM||Data Warehouse maintenance mode synchronization process failed to read data from the operational database. Failed to generate data to be forwarded to the Data Warehouse. The operation will be retried. Exception 'ArgumentOutOfRangeException': Specified argument was out of the range of valid values. Parameter name: dataItems One or more workflows were affected by this. Workflow name: Microsoft.SystemCenter.DataWarehouse.Synchronization.MaintenanceMode Instance name: Data Warehouse Synchronization Service Instance ID: {CC1F5220-973B-24A2-1074-A1AC46688C19} Management group: CS-SCOM|
And I'm receiving event 31555 in my Operations Manager log every 10 minutes, and when I check my syncronization object it shows unhealthy.
Log Name: Operations Manager
Source: Health Service Modules
Date: 6/3/2024 7:26:17 AM
Event ID: 31555
Task Category: Data Warehouse
Level: Error
Keywords: Classic
User: N/A
Computer: T000000SCOM0001.TAMCENTRAL.ASP
Description:
Failed to generate data to be forwarded to the Data Warehouse. The operation will be retried.
Exception 'ArgumentOutOfRangeException': Specified argument was out of the range of valid values.
Parameter name: dataItems
One or more workflows were affected by this.
Workflow name: Microsoft.SystemCenter.DataWarehouse.Synchronization.MaintenanceMode
Instance name: Data Warehouse Synchronization Service
Instance ID: {CC1F5220-973B-24A2-1074-A1AC46688C19}
Management group: CS-SCOM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 92%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXM%3C/text%3E%3C/svg%3E)