NSCC Network Connectivity Web Modernization

The National Securities Clearing Corporation (NSCC) is in the process of modernizing the Web applications as some of the technology used to support them is nearing end of life. The initiative is being rolled out in stages, with each application having its own timeline, along with associated important notice and connectivity guide. Depending on the applications used that your firm uses, the impact varies. For further information, view the comprehensive technical network connectivity guide associated with your application.

Note: Existing features and capabilities for each application are not impacted by this initiative. 

Log in to access the network connectivity guide for a specific application.

Network Connectivity for Obligation Warehouse Web Modernization

October 25, 2024

Network Connectivity for ACATS Modernization

July 03, 2025

Network Connectivity for CMU RTTM Web Modernization

March 05, 2025

Network Connectivity Guide for Consolidated Trade Summary (CTS) and Universal Trade Capture (UTC) Web Modernization

August 04, 2025

 

Filter resources:
Order Resources by

Settlement Fundamentals: Overview of Settlement Web

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Settlement Fundamentals: Overview of DTC Settlement Process

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Settlement Fundamentals: Overview of Settlement Web

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Settlement Fundamentals: Overview of DTC Settlement Process

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Manage My Services for ITP Product Administrators

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Settlement Fundamentals: Overview of Settlement Web

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Settlement Fundamentals: Overview of DTC Settlement Process

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

DVP FOS Next-Day Settling DVP Buy-Sell Matched before 12 PM EST

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

DTCC Insurance Egress API mTLS Client Certificates - 2025

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

Information on PTS Migration and Upcoming Transition Plans

As part of our ongoing efforts to modernize our technologies and provide the best client experience, DTCC will sunset access to its legacy Participant Terminal Services (PTS), also known as TN3270 Terminal, in Q3 of 2025. Services available in PTS can be accessed through the DTCC Mainframe Portal or MyDTCC, as the point of entries to DTCC services.
Modified September 18, 2025

Mandatory PSET Field Population FAQ

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

GTR MAS: Release Notes - Version 1.1b

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

GTR ASIC: Release Notes - Version 1.1b

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

ETF Canned Sample for Create/Redeem Activity Reporting DATATRAK Production 11200/PSE 41200

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS® Dashboard User Help

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CTM® Support of Equity Listed Options

The document explains how CTM, a central matching service, now enables automated and standardized processing of equity options trades, reducing manual work and operational risk.
New September 12, 2025

Miscellaneous Activity (Extended) MRO: AutoRoute ID 02040343 (Night) and 02040331 (Day)

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

SFT Clearing General User Help

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

GTR CFTC/Canada/SEC Release Notes

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS® Allocation Priority Order

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS Intraday ISO 15022 Message Format

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS Opening Position Prior to Day Cycle: AutoRoute ID 02040949

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS Miscellaneous Activity (Extended) MRO: AutoRoute ID 02040343 (Night) and 02040331 (Day)

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.

CNS Opening Position Prior to Night Cycle: AutoRoute 02040951

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sit amet mauris ac purus imperdiet accumsan id sed nisi. Donec ut pulvinar arcu.
back to top