@PanchoArg I´m afraid that the problem cannot be solved. Otherwise Tp-Link would have fixed this years ago. It would be nice to hear from the support team, that "this cannot be fixed. Period" :-)

@Pede63 So; since I can format my SD cards with Totalcommander (on both my Windows 10 computers) I have experienced that if the cards are full, they cannot be formated by the cameras. But if I format...

@csumi21 3 x NC 450. Hardware version: 2.0 Firmware Version: 1.5.2 Not a cure, but a quick fix: On a Windows 10 computer: Download Total Commander and use "format" to format the SD card. Total...

@jaycee Please post the answer, that TP-Link will send only to you, here, so that we all can learn from it. Thank you in advance. "@jaycee Thank you very much for your detailed information. We have...

@Brook Hi Brook. Sorry but: "Been there, done that". As you can read in many of the posts above, people will format the SD cards. Then the cards will work fine until they are filled up with data....

@csumi21 Turning 24-hour recording did not make the slightest change in status. Exept that it says "NETWORK ERROR" when I try to start 24 hour recording again. It must be an error in the software....