Do not rush to update Patch Tuesday for November 2021 because it causes printer errors on Windows 10 again
Microsoft has just released Patch Tuesday for November 2021 to fix 6 zero-day vulnerabilities and 55 other bugs. The patch will be rolled out in update packages KB5007186 and KB5007189 for Windows 10 and KB5007215 for Windows 11.
Of the six zero-day vulnerabilities that have just been patched, two are being exploited by hackers on Microsoft Exchange and Microsoft Excel. The remaining 55 errors include 6 critical errors and 49 critical errors.
However, it is worth noting that Microsoft also immediately announced the known bugs of the update package KB5007186, including a printer error.
Known bugs of KB5007186 include:
- Devices with Windows installers created from offline files or custom ISO files will have Microsoft Edge Legacy removed after the KB5007186 update. However, the system will not replace itself with the new Chromium-core Microsoft Edge. The fix is to manually install the new Microsoft Edge.
- After installing the update 6/21/2021 (KB5003690) it will not be possible to continue installing new updates, such as the 7/6/2021 update (KB5004945) or later. You will get the error message: "PSFX_E_MATCHING_BINARY_MISSING".
- After installing this update, when connecting to a device in an untrusted domain using Remote Desktop, the connection may fail to authenticate with smart card authentication.
- After installing this update, Windows print clients may experience the following errors when connecting to a shared remote printer on a Windows print server:
- 0x000006e4 (RPC_S_CANNOT_SUPPORT)
- 0x0000007c (ERROR_INVALID_LEVEL)
- 0x00000709 (ERROR_INVALID_PRINTER_NAME)
Microsoft says the printer connection error in update KB5007186 affects print servers only and is not common with devices designed for home use. Usually this problem only affects businesses and organizations.
Microsoft is actively investigating to have a solution to fix the problem soon.
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