| Errata # | Errata title |
| 1315 | PREVIEW: IO Cancellation with Direct IO: This test is preview in WLK 1.4 & 1.5 |
| 1326 | Display: D3D Content Protection - CPAuthChannelAPI Fail due to missing GUID |
| 1608 | NDIS: WLAN: Statistics_ext has been modified for WLK 1.5 some failures should be in PREVIEW mode |
| 1609 | NDIS: WLAN: SoftAP_WPS_ext is a PREVIEW test |
| 1720 | Wireless router WPS preview test errata WCN UPnP Configure And Connect to AP with WPA2PSK AES PassPhrase using PIN over Wireless |
| 1786 | USB Host Controller Tramsfer Speed Test - PREVIEW |
| 1789 | USB DRIVER RE-ENUMERATION TEST - PREVIEW |
| 1796 | Preview filter for the Storage Trim Test |
| 1812 | Preview: VWiFiStress is a preview test for WLK 1.5 |
| 1871 | The Windows Client System Check for WDDM 1.1 Display Driver Support test is not required for Ultra Mobile PCs per SYSFUND-0192 Version 4 |
| 1963 | Sensor tests: PREVIEW Errata: Several Sensor tests new to WLK 1.5 are in preview mode |
