If necessary, you can reset the encryption algorithm. Also, you can select options to encrypt new and existing data, or you can encrypt only new data.

Follow this procedure to change the encryption algorithm:

1. Click Data Management > File System > Encryption.

2. To change the Encryption Algorithm used to encrypt the protection system, click Change Algorithm.

The Change Algorithm window displays the supported encryption algorithms:

• AES-128 CBC
• AES-256 CBC
• AES-128 GCM
• AES-256 GCM

3. Select an encryption algorithm from the drop-down box or accept the default option of AES 256-bit (CBC).

The AES 256-bit GCM is the most secure algorithm, but it is slower than CBC mode.

Note: To reset the algorithm to the default AES 256-bit (CBC), click Reset to default.

4. Determine what data will be encrypted:

• To encrypt existing and new data on the system:

1. Click Apply to Existing data, 
2. Restart the file system.
3. Click OK.

Existing data will be encrypted during the first cleaning cycle after the file system is restarted.

Note: Encryption of existing data can take longer than a standard file-system-clean operation.

• To encrypt only new data, click Restart file system now and click OK.

The status is displayed. 

5. Click Close when the process is complete.

Note: Applications may experience an interruption while the file system is restarted.