# Security_DenyServiceAccess

> Denies a Trustee (user or group) access to a Service.

Source: https://docs.capaone.com/capainstaller/vb-scripting-library/security-functions/security-denyserviceaccess/  
Product: CapaInstaller — a separate CapaSystems product; do not apply this page to any other.

### Description

Denies a Trustee (user or group) access to a Service

### Syntax

Security_DenyServiceAccess(sService, sTrustee) As Boolean

### Parameters

#### sService (String)

Name of the Service

#### sTrustee (String)

A trustee is a user or group. Trustee can either be "Domainname/username" or a [Well-known SID's](/capainstaller/vb-scripting-library/addendum/well-known-sid-s/) (Security Identifier)

### Example

**VBScript**

```vb
If bStatus Then bStatus = Security_DenyServiceAccess("Service", "S-1-5-4")
```

[Scripting Guidelines](/capainstaller/vb-scripting-library/scripting-guidelines/)

### Related functions

[Security functions](/capainstaller/vb-scripting-library/security-functions/) [Security_SetServicePermissions](/capainstaller/vb-scripting-library/security-functions/security-setservicepermissions/) [Security_RevokeServicePermissions](/capainstaller/vb-scripting-library/security-functions/security-revokeservicepermissions/) [Constants](/capainstaller/vb-scripting-library/addendum/constants/) [Package Property](/capainstaller/vb-scripting-library/addendum/package-property/) [Variables](/capainstaller/vb-scripting-library/addendum/variables/)