Announcement: RMS SDK 2.1 and RMS Client 2.1 update

Hello folks,

Here's an important product update announcement from Gagan, our Lead RMS Project Manager.

Have a great day,


Hello Developers,

We are pleased to announce the release of update for RMS SDK 2.1 and RMS Client
2.1 for Windows desktop! The top features in this milestone include:

  • ILockBytes based implementation of File API – this was one of the top asks from our partners
  • Over 25 performance, security and functional bugs filed by customers and partners
  • Documentation updates and more..

Download locations

RMS SDK 2.1 update is available for download here

RMS Client 2.1 update is available for download here

RMS SDK documentation can be found here. The documentation will receive continuous updates over the next month.
RMS developer corner blog has been updated:

You can continue to provide feedback at (If you haven’t registered on
Microsoft Connect, then: Go to, sign in with your Microsoft Account > Directory> Search for Rights Management Services > Join)
Please remember that you can provide Private feedback as well from this website.

Sample code

  • IPCNotepad sample is now available here
  • IpcDLP application sample (using File API) is available here
  • Managed interop layer for AD RMS SDK 2.1 exists here

Webinar collateral
The webinar collateral continues to exist here.

Our FAQ is being continuously updated here

RMS developer corner
Our RMS SDK blog is here



Gagan Gulati, Lead Program Manager
Information Protection, Microsoft Corporation
RMS Developer’s corner :