( Error message - Bad request 400 ) 'Your Microsoft Teams tenant associated with is currently registered with instance: .' Issue ServiceNow integration with teams gives the following error when users try to override an integration from a previous instance. After clicking override users will be presented with the follow 400 Bad Request error: [ MS Teams ] [ MSFT Teams ]CausePotential causes: Instance cloneInstance renameRetired instance Resolution1. Prior to click the override button, capture the URL of that page 2. Example: https://<instancename>.service-now.com/now/conversation/settings/channel-install-confirmation/teams/override/params/info/eyJpZCI6ImU4ZGYzMTE5LTA2YmYtNGExZS1hMzI1LTg0YTUwNzFlY2RiOSIsImFwcCI6InZhIiwiY2hhbm5lbCI6InRlYW1zIiwiZXJyb3JfcGFnZSI6IlwvdmFfaW5zdGFsbF9yZWRpcmVjdC5kbz9zeXNwYXJtX2NoYW5uZWw9dGVhbXMmc3lzcGFybV9wcm94eV9lcnJfY29kZT0xIiwiY3VycmVudF9tYXBwaW5nIjoiaHR0cHM6XC9cL3puYTAwNy5zZXJ2aWNlLW5vdy5jb20iLCJlbWFpbCI6Inphc3NhZEB2YnpxMi5vbm1pY3Jvc29mdC5jb20ifQ== 3. Capture the token at the end of the url, example: eyJpZCI6ImU4ZGYzMTE5LTA2YmYtNGExZS1hMzI1LTg0YTUwNzFlY2RiOSIsImFwcCI6InZhIiwiY2hhbm5lbCI6InRlYW1zIiwiZXJyb3JfcGFnZSI6IlwvdmFfaW5zdGFsbF9yZWRpcmVjdC5kbz9zeXNwYXJtX2NoYW5uZWw9dGVhbXMmc3lzcGFybV9wcm94eV9lcnJfY29kZT0xIiwiY3VycmVudF9tYXBwaW5nIjoiaHR0cHM6XC9cL3puYTAwNy5zZXJ2aWNlLW5vdy5jb20iLCJlbWFpbCI6Inphc3NhfgtrdZEB2YnpxMi5vbm1pY3Jvc29mdC5jb20ifQ== 4. Navigate to the website https://jwt.io/ and paste the value in step 3 into the "Encoded" section 5. Notice you will be given a separate value in the "Decoded" section Example: 6. Create a support case with the above information from the "Decoded" section referencing this KB Related LinksThe proxy mapping needs to be manually removed by ServiceNow internal support.