Lock a few domains
If you only need to lock a few domains, you can sign into your account > Domains > My Domains > click into the domain you want to modify > General Settings
Make sure Registrar Lock is Enabled and click Save.
Lock all domains in your account
1. You can lock all domains in your account by going to Domains > Bulk Tools > Global Edit > Next
2. Select Registrar Lock > Next
3. Select All Domains > Next.
4. Click Next. Note that the updates can take up to 6 hours depending on the number of domains in the account.
5. Click Next.
6. Click Submit.
Check the progress of the domain lock
Since locking all domains in your account can take several hours, you can check the progress by going to Domains > Bulk Tools > Global Edit > click on the "Click here" to view
If the locks are still being processed:
If it's complete:
Click on the Domain Count numbers above to get a list of domains that were process successfully and also a list of domains that the system failed to lock. A domain lock might fail if the TLD does not support it or if the domain is already locked following a registrant change, or if the domain is pending transfer away.