You will get error if try to restore encrypted database to server without correct certificate installed.
NOTE: Use standard restore procedure if encrypted database with TDE needs to be restored on original serverCheck existing certificates and encrypted databases:
USE master;GOselect * from sys.symmetric_keysselect * from sys.databases where is_encrypted=1SELECT * FROM sys.certificates/* encryption_state = 3 is encrypted */SELECT DB_NAME(database_id), * FROM sys.dm_database_encryption_keys   WHERE encryption_state = 3 Create master key and certificate
USE masterGOCREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Use_Complicated_password'go--optionalBACKUP MASTER KEYTO FILE = 'D:\SQL Backups\master_key.bak'ENCRYPTION BY PASSWORD = '+++++'go--optionalBACKUP SERVICE MASTER KEYTO FILE = 'D:\SQL Backups\service_master_key.bak'ENCRYPTION BY PASSWORD = '+++++' goCREATE CERTIFICATE TDECert2 /* name it as you prefer *//* both backup files had been created on original server using BACKUP CERTIFICATE command */   FROM FILE = 'D:\SQL Backups\certificate_TDECert1.cer.bak'  WITH PRIVATE KEY (FILE = 'D:\SQL Backups\certificate_TDE_Key.pvk.bak', /* password was set during backing up keys on original servers */DECRYPTION BY PASSWORD = 'Password_Neccessary_To_Restore') Perform restore
USE master;GOrestore database WorkspaceDB from disk='D:\SQL Backups\WorkspaceDB_TDE.bak'with  recovery,file=1,stats=25  ,move 'WorkspaceDB' to 'D:\SQLData\WorkspaceDB.mdf'  ,move 'WorkspaceDB_log' to 'D:\SQLData\WorkspaceDB.ldf'go--optionally (because you have backup from original server) but recommended back up certificate on new serverBACKUP CERTIFICATE TDECert2 TO FILE = 'F:\SQLBackup\certificate_TDECert2.cer.bak'WITH PRIVATE KEY(FILE = 'F:\SQLBackup\certificate_TDECert2_Key.pvk.bak',ENCRYPTION BY PASSWORD = 'Use_Strong_Password_Neccessary_To_Restore_Later')Remember to store all passwords in your secure password store (if you have one)