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Revise SCVMM certificate commands in troubleshooting guide #270

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Merged
AlBurns-MSFT merged 1 commit into from
Apr 8, 2026
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Merged

Revise SCVMM certificate commands in troubleshooting guide #270

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9 changes: 6 additions & 3 deletions ...led-SDN/NCHostAgent-unable-to-connect-to-ApiService-due-to-SCVMM-certificate.md
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Expand Up @@ -47,7 +47,8 @@ Test-SdnCertificateMultiple : FAILED

- One or more hosts unable to program SDN policies
- Live migration to/from affected hosts results in VM network loss
- `Debug-SdnFabricInfrastructure` reports certificate and connectivity failures
- `Debug-SdnFabricInfrastructure -NcRestCertificate (Get-SdnServerCertificate)` reports certificate and connectivity failures
- `Get-SdnServerCertificate` returns multiple certificates
- Network Controller API calls fail intermittently or consistently from affected hosts

## Root Cause
Expand Down Expand Up @@ -93,7 +94,8 @@ flowchart TD
On each affected host, open the local machine certificate store and look for the SCVMM self-signed certificate. It will have a subject or friendly name containing `SCVMM_CERTIFICATE_KEY_CONTAINER`.

```powershell
Get-SdnServerCertificate -NetworkControllerOid | Format-List Thumbprint, Subject, NotBefore, NotAfter, Issuer, FriendlyName
# SdnDiagnostics 4.2601.27.234 and later builds introduce a -NetworkControllerOid parameter for Get-SdnServerCertificate that should be used
Get-SdnServerCertificate | Format-List Thumbprint, Subject, NotBefore, NotAfter, Issuer, FriendlyName
```

1. **Remove the conflicting SCVMM certificate**
Expand Down Expand Up @@ -122,7 +124,8 @@ flowchart TD

```powershell
# Re-run SDN fabric diagnostics to confirm certificate issues are resolved
Debug-SdnFabricInfrastructure
# SdnDiagnostics 4.2601.27.234 and later builds introduce a -NetworkControllerOid parameter for Get-SdnServerCertificate that should be used
Debug-SdnFabricInfrastructure -NcRestCertificate (Get-SdnServerCertificate)

# Verify NCHostAgent connectivity and certificate health pass
# Expected: Test-SdnHostAgentConnectionStateToApiService and Test-SdnCertificateMultiple should now pass
Expand Down
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