# AT command - error 922 using HTTPS server

**URL:** <https://forum.sierrawireless.com/t/at-command-error-922-using-https-server/27898>\
**Category:** HL78\
**Created:** [September 15, 2022, 8:32am UTC](https://forum.sierrawireless.com/t/at-command-error-922-using-https-server/27898 "2022-09-15T08:32:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\
**Post date:** [September 15, 2022, 8:37am UTC](https://forum.sierrawireless.com/t/at-command-error-922-using-https-server/27898/2 "2022-09-15T08:37:31Z")

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There should be no problem on using AT+KCERTSTORE:

> [@HL7802 AT+KCERTSTORE error](https://forum.sierrawireless.com/t/hl7802-at-kcertstore-error/23091/3):
>
> I was using hardware flow control. It seems that it needed both a CR and the KPATTERN at the end and it works fine but with AT+KCERTSTORE=0,1339,0 (not 1337) So this is inaccurate? thanks

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