[Case sharing] Exchange 2010 logs on to OWA view message appears rights Managem operation failed

Environment:

Ad+exchange (all in one)

Failure phenomena:

The client logs on to OWA to view any message that appears Rights management operation failed error.
：

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Workaround:

In EMS input: get-owavirtualdirectory | Set-owavirtualdirectory-irmenable $false, restart IIS.

Ps:irmenable is the ability to enable Information Rights Management (IRM), because users now have access to their e-mail from anywhere, so the mailbox has become a repository with a lot of potentially sensitive information. As a result, information disclosure can pose a serious threat to your organization. To prevent information disclosure, Microsoft Exchange Server 2010 has the Information Rights Management (IRM) feature, which provides persistent online and offline protection for e-mail messages and attachments.

This article from "Gs_hao" blog, declined reprint!

[Case sharing] Exchange 2010 logs on to OWA view message appears rights Managem operation failed