---
oid: "1.3.6.1.4.1.311.76.509.1.0"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 311 76 509 1 0}"
description: "Microsoft Public-Key Infrastructure (PKI) services"
classification: "PKI (Public key infrastructure)"
last-modified: "2025-06-30"
---

## OID : `1.3.6.1.4.1.311.76.509.1.0`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 311 76 509 1 0}
```

### Description

Microsoft Public-Key Infrastructure (PKI) services

**Classification**: PKI (Public key infrastructure)

### Child OIDs

No child OID

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