How to resolve the Sandbox Login Issue?

Users can log in to an active sandbox by using the following URL: https://test.salesforce.com and entering a modified username, which is from production, with a suffix for the name of the sandbox.If you are facing the test. Login. salesforce issue you can resolve it as follows

If your web browser has saved your login information from before the last sandbox refresh, your log-in attempts will likely fail. Clear your browser's cache, cookies, and saved passwords, then restart your browser to make sure that all old login information is deleted. As per sandbox help documents When your sandbox is ready for use, you receive a notification email that your sandbox has completed copying. To access your sandbox, click the link in the notification email. Users can log in to the sandbox at https://test.salesforce.com by appending .sandbox_name to their Salesforce usernames. For example, if a username for a production org is user1@acme.com, and the sandbox is named test the modified username to log in to the sandbox is user1@acme.com.test. Salesforce automatically changes sandbox usernames, but not passwords. If you created the sandbox, then you should have received that email. If not, then check with the administrator who created the sandbox to reset your email in the new sandbox.