Event ID 2191 — Message Queuing Operation

Applies To: Windows Server 2008 R2

Message Queuing operation provides message authentication, message encryption, dead-letter queues, security settings, and other basic features. If Message Queuing has problems with any of these features, proper Message Queuing operation may suffer.

Event Details

Product: Windows Operating System
ID: 2191
Source: MSMQ
Version: 6.1
Message: Message Queuing could not validate server certificate in HTTPS scenario because the certificate was found in disallowed store. This means the certificate cannot be trusted. This event is logged at most once per %1 seconds. To change this setting, set \HKLM\Software\Microsoft\MSMQ\Parameters\Event2191 registry value to desired time in seconds.


Contact your domain administrator

The certificate may have been revoked or otherwise disallowed. Therefore, it could not be trusted.

Contact your domain administrator to decide how to resolve this issue.


Verify that the MSMQ Service is installed and running.

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

To verify that the MSMQ Service is installed and running:

  1. Open the Services snap-in. To open Services, click Start. In the search box, type services.msc, and then press ENTER.
  2. Locate the Message Queuing service, and confirm that the value in the Status column is Started.

Message Queuing Operation

Message Queuing