Follow
How Long Is the Upgrade Process Supposed to Take?

Resolution

In average we expect it to take not longer than 1 hour, on sandbox make sure you have changed your email address to some valid email address to get notified when the upgrade is complete. If it is taking more than 2 hours to upgrade, please contact our support team.

For organizations who restrict access based on companies and select the first restriction setting, it may take more than one hour to upgrade the system.