Hi Upasana,
As has already been mentioned deploying multiple provider single sign-on, available since Eureka will allow local authentication.
Multiple Provider Single Sign-On - ServiceNow Wiki
1 Overview
The multiple provider single sign-on feature allows organizations to use several SSO identity providers (IdPs) to manage authentication as well as retain local database (basic) authentication. The integration supports any combination of local and external authentication methods on a single instance:
- SAML 2.0
- Digest Authentication
- LDAP
- Local database authentication
For example, a globally dispersed corporation might require one SSO provider for their employees, a different one for their vendors, and local database authentication for their administrators. Alternatively, a company might implement SAML 2.0 and a digest token authentication solutions on the same instance.
This feature is available starting with the Eureka release.
However using side_door.do will also allow access to the instance without using SSO
External Authentication (Single Sign-On - SSO) - ServiceNow Wiki
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3.1 Bypassing External Authentication
Administrators may need to bypass external authentication when testing an SSO integration. Administrators can use the following URL to bypass external authentication and log in with a local ServiceNow user. Note that a logged-in user cannot access this page. Attempting to access this page while logged in produces a page not found error.
http://<your-instance>.service-now.com/side_door.do
| Note: You can still log in as an inactive user if the user is not locked out. See Making a User Inactive for more information. |
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Best Regards
Tony
