System Outage History

MSRB System Status History

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System Sort ascending	Incident Date	Resolution Date	Description
RTRS	06/03/2014 13:50:00 ET	06/03/2014 15:10:00 ET	Updates to information used to process trade data were unavailable, which could have resulted in a delay of trade reporting and public availability of trade data for certain securities.
RTRS	05/30/2014 07:00:00 ET	05/30/2014 08:30:00 ET	Updates to information used to process trade data were unavailable, which could have resulted in a delay of trade reporting and public availability of trade data for certain securities.
RTRS	01/26/2023 10:00:00 ET	01/26/2023 14:02:00 ET	The Depository Trust & Clearing Corporation (DTCC) experienced an issue with its service that provides the MSRB with real-time transaction information which resulted in intermittent dissemination delays of trade data, with significant periods of no trade data being received. A subset of trades that were accepted and reported by DTCC on January 26, 2023 were processed later in the day. DTCC also reported that some trades accepted and reported by DTCC on January 26, 2023 were not processed and transmitted to the MSRB until January 27, 2023. The MSRB’s RTRS Web system, through which submitters may report trade data directly to the MSRB, remained operational throughout the event period. Market participants impacted include those who attempted to view trade data on the MSRB’s Electronic Municipal Market Access System (EMMA®) public website and RTRS subscribers, but the MSRB does not have exact information regarding the number of market participants potentially impacted by the issue.
RTRS	05/15/2023 14:01:00 ET	05/15/2023 15:29:00 ET	The Depository Trust & Clearing Corporation (DTCC) experienced an issue with its service that provides the MSRB with real-time transaction information which resulted in trade data from DTCC not being disseminated by the MSRB during the event period. The MSRB’s RTRS Web system, through which submitters may report trade data directly to the MSRB, remained operational throughout the event period. Market participants impacted include those who attempted to view trade data on the MSRB’s Electronic Municipal Market Access System (EMMA®) public website and RTRS subscribers, but the MSRB does not have exact information regarding the number of market participants potentially impacted by the issue.
MSRB Gateway	01/22/2020 19:36:00 ET	01/23/2020 11:59:00 ET	The business to business web services (B2B) of the MSRB’s Short-Term Obligation Transparency System (SHORT) and Electronic Municipal Market Access System (EMMA) were unable to process and display certain submission and subscription messages due to a Gateway Authentication Service (Gateway) incident. During the incident, B2B submitters were unable to submit transaction data to SHORT or data and documents to EMMA, SHORT and EMMA subscribers did not receive such data or documents, and there was a delay in the public availability of such data and documents on EMMA. The MSRB took corrective action and resolved the incident. Upon resolution, B2B submitters to SHORT and EMMA were able to make submissions which were then disseminated to subscribers and publicly available on EMMA.
MSRB Gateway	09/29/2017 14:22:00 ET	09/29/2017 14:50:00 ET	Due to a regional internet outage, the MSRB Gateway service experienced an incident which impacted Primary Market, Continuing Disclosure, SHORT Data and Document, and Political Contribution submissions, as well as data retrieval for the corresponding subscription products.
MSRB Gateway	06/03/2015 06:13:00 ET	06/03/2015 06:34:00 ET	The MSRB experienced an incident that resulted in a delay in availability of Market Transparency information.
MSRB Gateway	05/27/2015 14:18:00 ET	05/27/2015 14:38:00 ET	The MSRB experienced an incident that resulted in a delay in availability of Market Transparency information.
MSRB Gateway	04/28/2014 18:58:00 ET	04/28/2014 20:14:00 ET	The MSRB experienced an incident that resulted in a delay in availability of Market Transparency information.
EMMA Dataport	10/04/2019 15:31:00 ET	10/04/2019 15:44:00 ET	The MSRB experienced an incident that caused a delay in reporting and public availability of Market Transparency data.