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ImpersonationLevel

Description

Specifies the level of impersonation that the data server is allowed to use when impersonating its OLE DB data provider and PowerBuilder. This parameter applies only to network connections other than Remote Procedure Call (RPC) connections.

When to specify ImpersonationLevel

You must specify the ImpersonationLevel parameter before connecting to the database.

Applies to

OLE DB

Syntax

ImpersonationLevel='value'

Parameter

Description

value

Specifies the level of impersonation. Values are:

  • Not set

    No level of impersonation is selected.

  • Anonymous

    The client is anonymous to the server and the server process cannot obtain identification information about the client and cannot impersonate the client.

  • Delegate

    The process can impersonate the client's security context while acting on behalf of the client. The server process can also make outgoing calls to other servers while acting on behalf of the client.

  • Identify

    The server can obtain the client's identity. The server can impersonate the client for ACL checking but cannot access system objects as the client.

  • Impersonate

    The server process can impersonate the client's security context while acting on behalf of the client. This information is obtained when the connection is established, not on every call.


Default value

ImpersonationLevel='Not set'

Examples

To set a level of impersonation to anonymous:

  • Database profile

    On the Security page in the Database Profile Setup dialog box, select Anonymous from the Impersonation Level drop-down list.

  • Application

    Type the following in code:

    SQLCA.DBParm="IMPERSONATIONLEVEL='DB_IMP_LEVEL_ANONYMOUS'"

See also

DataLink

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