Article: Contrary to popular understanding, your computer's built-in administrator can't regulate whether or not your Google Chrome browser synchronizes with your Google Account. If you're seeing the "Sync is disabled by your administrator" error, it's because your Google Account belongs to an organization's Google Admin group. If you're an administrator, you can turn on sync for your account. This error is common for school or work email addresses. Click or double-click the Chrome app icon, which resembles a red, yellow, green, and blue ball. Go to https://admin.google.com/ in Chrome. Type the email address for the administrator account into the provided text box. If you don't have access to the administrator account, you'll need to ask your system administrator to sign you in. It's below the text box. Type in the password for the administrator account. It's below the text box. This is in the upper-right side of the page. You'll find it in the list of available apps. You'll instead click G Suite here if you're using a G Suite for Education account. It's a link in the list of services. You'll find this at the top of the page. On the left side of the page, click the group of users to which the Google Account you want to sync belongs.  This account is different than the administrator account you're currently on. If you want to turn on Google Chrome Sync for everyone in your group, just click On for everyone and click Save. You can then turn on Google Chrome sync. Doing so enables Google Sync for your account. At this point, you should be able to sync the account on a computer or on mobile.

What is a summary?
Understand what the "Sync is disabled" error means. Open  Google Chrome. Open the Google Admin login page. Enter your administrator email address. Click Next. Enter the password. Click Next. Click Apps. Click Additional Google services. Click Google Chrome Sync. Click Edit Service. Select your user group. Click On.