HTTP 401 - remote endpoint returned an error. Please try again laterIssue Error occurs after submitting Outlook Actionable Message Survey "HTTP 401 - remote endpoint returned an error. Please try again later"Steps to Reproduce: Navigate to "asmt_metric_type.LIST" table.Open the survey and Click on "Assign survey" button on form header and assign it to the user and click OK.The popup message "The Survey has been assigned successfully" will be seen on the screenThis will trigger the survey email notification to the user.The user can take the survey and submit it from the email client instead of opening the survey in a new browser tab.After completing the survey if the user clicks on the submit button, they will get an error "The remote Endpoint returned an error (HTTP 401). Please try again later".CauseSeveral reasons may cause this issue. Here are a few: 1)Invalid Client ID in "oauth_oidc_entity" Table: ->Check if the "oauth_oidc_entity" table contains a valid client ID for the Outlook actionable message entry. ->Ensure the client ID is correctly configured to resolve this issue. 2)Lack of Required Access for User: ->Verify if the user submitting the survey has the necessary access permissions. ->Ensure the user has the required privileges to submit the survey successfully. 3)Multiple User Accounts with Same Email Address: ->Check if the user submitting the survey is associated with multiple user accounts having the same email address in the instance. ->Confirm adherence to ServiceNow standards, allowing only one user record per email ID.Resolution 1)Update Instance Name in Client ID: ->Go to the "oauth_oidc_entity" table. ->Locate the client ID field for Outlook Actionable Message entry. ->Replace <instance_name> with your instance name (https://<instance_name>.service-now.com). ->Save the changes to resolve the issue. 2)Grant ACL Access and Adjust System Properties: ->Navigate to System Web Services>Scripted REST API's. ->Open the "Outlook Actionable Message" configuration. ->Scroll down to find the related list "Survey".Open the record and navigate to the section "Security" and disable the "Require ACL authorization" checkbox. ->(or) Grant the necessary ACL to users for accessing and submitting the survey. ->Now Navigate to sys_properties.LIST ->Open the property named "glide.rest.global.honor_snc_internal_flag". ->Set its value to "false". 3)Verify User Email and User Records: ->If the issue persists, check the email associated with the user submitting the survey. ->Ensure there is only one user account linked to the email in the instance's sys_user table. ->Adhere to ServiceNow standards, which dictate one user record per email ID. ->Multiple user accounts linked to the same email will cause this issue. ->Having multiple accounts will trigger the error "The remote Endpoint returned an error (HTTP 401). Please try again later."Related LinksOAM are not supported on some devices, the list of supported devices and versions can be found in the official MS support page:https://learn.microsoft.com/en-us/outlook/actionable-messages/#release-notes