Would you please help me about it ?

Hello virtualcdc,

The latest OS for DD9900 is PowerProtect DDOS 8.1.0.10. The previous DD systems were DD3300, DD6900, DD9400, and DD9900. Here is a link to the software versions and their release notes. https://dell.to/3PlsqUa

@DELL-Sam L​ 

Thanks. But my means was What is the previous version of DDOS 8.1.0.10 ?

Also that page is showing

Page Not Found

Is that possible for you just share release note for both versions DDOS 8.1.0.10 and before that ?

Hello virtualcdc,

Here is the links to the release notes for PowerProtect DDOS 7.13.1 & PowerProtect DDOS 7.10.1.

PowerProtect DDOS 7.13.1

https://dell.to/4hje8Qb

PowerProtect DDOS 7.10.1

https://dell.to/4h11iWA