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Windows Repair Intelligence™ Report

0X800702EA

{Connect Failure on Primary Transport} An attempt was made to connect to the remote server %hs on the primary transport, but the connection failed. The computer WAS able to connect on a secondary transport

Home / Error Codes / Network and IPC / 0X800702EA

Microsoft defines 0X800702EA as ERROR_PRIMARY_TRANSPORT_CONNECT_FAILED: {Connect Failure on Primary Transport} An attempt was made to connect to the remote server %hs on the primary transport, but the connection failed. The computer WAS able to connect on a secondary transport.

SeverityHighSystemsWindows 10 / 11SymbolERROR_PRIMARY_TRANSPORT_CONNECT_FAILEDUpdatedSep 1, 2026

Overview

0X800702EA wraps Win32 result 746 (0x2EA) through FACILITY_WIN32 (7). The code identifies the failure condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Common causes

  • The affected operation returned the official ERROR_PRIMARY_TRANSPORT_CONNECT_FAILED condition
  • The calling program encountered the documented result: {Connect Failure on Primary Transport} An attempt was made to connect to the remote server %hs on the primary transport, but the connection failed. The computer WAS able to connect on a secondary transport.
  • A configuration, resource, or dependency used by the network and ipc operation did not meet its requirements
  • A recent program, service, installer, or system change altered the context in which 0X800702EA occurs

Symptoms

  • Confirm which program or Windows operation returned 0x800702ea
  • Match the timestamp to Application and System event records
  • Retest the same operation and preserve any changed result code

Prevention

  • Preserve Application and System events that accompany 0X800702EA
  • Use supported installers and configuration methods for the affected network and ipc workflow
  • Document changes so the operating context for ERROR_PRIMARY_TRANSPORT_CONNECT_FAILED can be reconstructed

0X800702EA diagnostic evidence

Official-definition grounded

Use the code identity and the affected operation together. The same numeric result can appear in different workflows, so logs and symptoms determine the safest repair branch.

Hexadecimal0X800702EA
Unsigned decimal2147943146
SymbolERROR_PRIMARY_TRANSPORT_CONNECT_FAILED
Error familyNetwork and IPC
Severity bitFailure
Evidence sourceMicrosoft System Error Codes (WinError.h)
1Confirm the operationConfirm which program or Windows operation returned 0x800702ea
2Collect matching evidenceMatch the timestamp to Application and System event records
3Retest the same actionRetest the same operation and preserve any changed result code

Definition source: Microsoft System Error Codes (WinError.h). This report preserves the official code identity and does not claim one universal cause.

How to troubleshoot error 0X800702EA

Use these Windows-native steps in order. Stop when Windows Update works again; advanced repair commands are not necessary on every PC.

1

Restart Windows and retry the update

Save your work, restart the PC, then open Settings > Windows Update and select Check for updates. A restart can release pending files without changing Windows configuration.

2

Run the Windows Update troubleshooter

Open Settings > System > Troubleshoot > Other troubleshooters. Locate Windows Update and select Run. Current Windows 11 versions may continue the diagnostic flow in Get Help.

3

Repair Windows components when indicated

If troubleshooting still reports missing or damaged components, open Terminal as administrator, run DISM RestoreHealth, and then run System File Checker. Do not interrupt either scan.

Before advanced repair: Back up important files. Managed work or school PCs may use organization update policies, so contact the administrator before changing services or update components.

Official-source grounding

The error meaning is grounded in Microsoft System Error Codes (WinError.h). The visual sequence also follows Microsoft Support guidance for Windows Update troubleshooting and Microsoft DISM repair guidance. Causes and repair steps vary by system evidence; this report does not claim a universal success rate.

Frequently asked questions

What does 0X800702EA mean?

Microsoft defines 0X800702EA as ERROR_PRIMARY_TRANSPORT_CONNECT_FAILED: {Connect Failure on Primary Transport} An attempt was made to connect to the remote server %hs on the primary transport, but the connection failed. The computer WAS able to connect on a secondary transport. 0X800702EA wraps Win32 result 746 (0x2EA) through FACILITY_WIN32 (7). The code identifies the failure condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Is 0X800702EA always caused by the same problem?

No. The code identifies a failure condition, but the exact cause depends on the affected operation, Windows build, logs, and recent system changes.

Can Advanced System Repair help with 0X800702EA?

Advanced System Repair can scan for damaged Windows components and related system issues. No tool can guarantee one universal fix; preserve backups and match repair steps to the evidence on the affected PC.