Operation name: Set-ecssecurity

Lets an administrator set security settings for Excel Calculation Services.

This operation is equivalent to the Security user interface setting that is located on the Excel Services Settings page of the Shared Services Administration Web site.

For additional information about security in Excel Calculation Services, see the "About Excel Services security" section in Plan Excel Services security.

For additional information about data access models for Excel Services, see Determine resource requirements to support Excel Services.

Syntax

stsadm -o set-ecssecurity

–ssp <SSP name>

[-FileAccessMethod {UseImpersonation | UseFileAccessAccount}]

[-AccessModel {TrustedSubsystem | Delegation}]

[-RequireEncryptedUserConnection {None | Connection}]

[-AllowCrossDomainAccess {True | False}]

Parameters

Parameter	Value	Required?	Description
ssp	A valid SSP name, such as "SharedServices1"	Yes	The name of the SSP that provides the resources for the Excel Calculation Services you want to configure.
fileaccessmethod	One of the following values: UseImpersonation: Indicates files will be accessed using the end-user account (default value). UseFileAccessAccount: Indicates that files will be accessed using the Excel Calculation Services process account.	No	Authentication method used by Excel Calculation Services to retrieve workbook files from all non-Windows SharePoint Services trusted file locations.
accessmodel	One of the following values: TrustedSubsystem Delegation	No	Determines how Excel Calculation Services handles authorization. TrustedSubsystem is the default value in a Windows server farm. Delegation is the default value for a stand-alone or evaluation deployment. For more information about data access models, see the "Installation Prerequisites and System Requirements" section in An Introduction to Excel Services. (http://go.microsoft.com/fwlink/?LinkId=110227&clcid=0x409)
requireencrypteduserconnection	One of the following values: None (Default value) Connection	No	None: Indicates that no encrypted communication will occur between client computers and front-end components of Excel Calculation Services. Connection: Indicates that encrypted communication occurs between client computers and front-end components of Excel Calculation Services.
allowcrossdomainaccess	One of the following values: True False (Default value)	No	True: Indicates that trusted workbooks and data connection files can be requested by Web Parts, Web pages, or Web services that reside in other domains within Windows SharePoint Services. False: Indicates that trusted workbooks and data connection files cannot be requested by Web Parts, Web pages, or Web services that reside in other domains within Windows SharePoint Services.