- Open IIS Manager
- Expand the computer name, and then click Application Pools in the left pane
- Highlight AbraAWCAppPool in the middle pane
- Click Advanced Settings
- In the Advanced settings dialog under the category General, configure the following settings to match the handler requirements:
- .NET Framework Version set to v2.0
- Enable 32-Bit Applications set to True
- Managed Pipeline Mode set to Classic
NOTE: If you are using HRMS Web/ESS Premium 21.101001 or newer see KB 230925153358543
CAUTION: