Description

NSE withdraws NEAT Adapter version 1.0.21 for Currency Derivatives segment and instructs members to revert to version 1.0.20 immediately.

Summary

NSE has withdrawn NEAT Adapter version 1.0.21 for Currency Derivatives segment due to issues with new encryption mechanism and authentication measures. All members using version 1.0.21 must immediately revert to version 1.0.20 until a new version 1.0.22 is released.

Key Points

  • NEAT Adapter version 1.0.21 for Currency Derivatives segment is withdrawn with immediate effect
  • Members must revert to existing version 1.0.20 on priority
  • New version 1.0.22 will be announced via separate circular
  • Version 1.0.20 uses GR PORT 10877 and remains effective
  • Version 1.0.21 uses GR PORT 10879 and will be discontinued from October 4, 2025

Regulatory Changes

Withdrawal of problematic NEAT Adapter version 1.0.21 that contained issues with new encryption mechanism and additional authentication measures introduced in previous circular NSE/MSD/69058 dated July 10, 2025.

Compliance Requirements

  • Members currently using NEAT Adapter version 1.0.21 must immediately revert to version 1.0.20
  • Use appropriate setup files from designated extranet paths:
    • Windows: /cdsftp/cdscommon/NeatAdapter/Windows
    • Linux: /cdsftp/cdscommon/NeatAdapter/Linux
  • Configure system to use GR PORT 10877 for version 1.0.20
  • Contact toll-free support (1800 266 0050, Option 1) for configuration assistance

Important Dates

  • September 5, 2025: Circular issued, immediate action required
  • Immediate effect: Version 1.0.20 to be used
  • October 4, 2025: Version 1.0.21 to be discontinued
  • Future date (TBA): Version 1.0.22 release announcement

Impact Assessment

High operational impact on all Currency Derivatives segment members. Immediate system downgrade required to maintain trading operations. Members using version 1.0.21 face potential trading disruption if not reverted promptly. Technical support resources may experience increased demand during transition period.

Impact Justification

Critical system update affecting all currency derivatives trading members with immediate action required