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AF SDK Reference

AFAdmin.RemoveTrustedProvider Method

  • Last UpdatedNov 18, 2025
  • 3 minute read
AFAdmin.RemoveTrustedProvider Method
Remove the specified trusted provider subject name from the list of trusted providers in the PISystem.

Namespace:  OSIsoft.AF.Diagnostics
Assembly:  OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

public static void RemoveTrustedProvider(
	PISystem system,
	string provider
)
Public Shared Sub RemoveTrustedProvider ( 
	system As PISystem,
	provider As String
)

Dim system As PISystem
Dim provider As String

AFAdmin.RemoveTrustedProvider(system, 
	provider)
public:
static void RemoveTrustedProvider(
	PISystem^ system, 
	String^ provider
)
static member RemoveTrustedProvider : 
        system : PISystem * 
        provider : string -> unit 

Parameters

system
Type: OSIsoft.AFPISystem
The operation will be performed on the specified PISystem.
provider
Type: SystemString
The subject name in the plugin's certificate to be removed from the trusted provider list.

Exceptions

ExceptionCondition
SecurityException This exception is thrown when attempting to execute without Admin security rights.
ArgumentNullException This exception is thrown when attempting to execute on a PISystem that is null or deleted.
NotSupportedException This exception is thrown when attempting to execute on a PISystem that does not support the AdminFunctionality feature.

Remarks

This method is used to remove the specified trusted provider subject name from the list of trusted providers in the PISystem. This list is used when validating the AFPlugIn being loaded from the server when the plugin verify level (see GetPlugInVerifyLevel(PISystem)) is RequireSignedTrustedProvider.

Use the PISystem.Supports method to check if the PISystem supports the AdminFunctionality feature.

Security note Security Note
Requires the Admin right to execute.
Note Notes to Callers
This method will error on servers before AF 2018 R2 (2.10.5).

Version Information

AFSDK

Supported in: 3.1.1, 3.1.0, 3.0.2, 3.0.1, 3.0.0, 2.10.11, 2.10.5

See Also

In This Topic
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