We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Error code: SEC_ERROR_REUSED_ISSUER_AND_SERIAL

  • 2 replies
  • 1 has this problem
  • 1 view
  • Last reply by FredMcD

swapnilvibhute2
swapnilvibhute2
more options

Our complete team is receiving an error as below,

Secure connection failed, An error occurred during a connection to [IPv6_2]. You are attempting to import a cert with the same issuer/serial as an existing cert, but that is not the same cert.

Error code: SEC_ERROR_REUSED_ISSUER_AND_SERIAL

We are able to brows same application with IP-> https://[IPv6_1]

We are also unable to brows same application with IP https://[IPv6_2]. Also NOT able to add exception under certificates -> server, for URL with same application, https://[IPv6_2]

Our complete team is receiving an error as below, Secure connection failed, An error occurred during a connection to [IPv6_2]. You are attempting to import a cert with the same issuer/serial as an existing cert, but that is not the same cert. Error code: SEC_ERROR_REUSED_ISSUER_AND_SERIAL We are able to brows same application with IP-> https://[IPv6_1] We are also unable to brows same application with IP https://[IPv6_2]. Also NOT able to add exception under certificates -> server, for URL with same application, https://[IPv6_2]
Attached screenshots

Modified by swapnilvibhute2

All Replies (2)

swapnilvibhute2
swapnilvibhute2 Question owner
more options

swapnilvibhute2 said
Our complete team is receiving an error as below, Secure connection failed, An error occurred during a connection to [IPv6_2]. You are attempting to import a cert with the same issuer/serial as an existing cert, but that is not the same cert. Error code: SEC_ERROR_REUSED_ISSUER_AND_SERIAL We are able to brows same application with IP-> https://[IPv6_1] We are unable to brows same application with IP https://[IPv6_2]. Also NOT able to add exception under certificates -> server, for URL with same application, https://[IpV6_2]
FredMcD
FredMcD
more options

SEC_ERROR_REUSED_ISSUER_AND_SERIAL Web search: https://www.bing.com/search?q=sec_error_reused_issuer_and_serial