| Previous | Next |
| WU_E_PT_INVALID_CONFIG_PROP | WU_E_PT_HTTP_STATUS_NOT_MAPPED |
WU_E_PT_CONFIG_PROP_MISSING
WU_E_PT_CONFIG_PROP_MISSING means the protocol client expected a configuration value that was not provided. The missing value can come from policy, server configuration, or returned metadata.
What to check
- Inspect the first configuration or service-selection message before the error to identify the missing property.
- Compare policy and update-service configuration with a client that successfully scans the same source.
- For WSUS, validate server synchronization and web-service configuration rather than filling registry values by guesswork.
Microsoft: Troubleshoot WSUS client agents
Microsoft: WSUS messages and troubleshooting tips
Microsoft: Windows Update error reference
Looking for a different code? Search another status or error code.