Defense Central Index of Investigations (DCII)

The DCII System is an automated central index that identifies investigations conducted by DoD investigative agencies, and personnel security determinations made by DoD adjudicative authorities. DCII access is limited to the Department of Defense and other federal agencies that have adjudicative, investigative and/or counterintelligence missions.

Note: For a better browsing experience, it is highly recommended to use Microsoft Edge when accessing DCII.

Planned System Outages

Attention DCII Users: DCII has successfully migrated to NBIS Environment. Please bookmark the new DCII URL:

Transfer of Vetting IT Systems 

David L. Norquist, performing the duties of the Deputy Secretary of Defense (DEPSECDEF), issued a memorandum on January 28, 2019, stating that the following information technology systems supporting the Defense Vetting Enterprise were to transfer from the DHRA/Defense Manpower Data Center (DMDC) to DCSA effective October 1, 2020. The vetting IT systems are: the Defense Information System for Security (DISS); the Secure Web Fingerprint Transmission system (SWFT), the Investigative Records Repository (iIRR), and the Defense Central Index of Investigations (DCII).

As a result of this transfer, the URLs for webpages related to system status, frequently asked questions, and other information will change. Users should update their bookmarks with the new landing pages on October 1, 2020.

DCII Resources

General Information

Department of Defense
DoD Instructions

Access Requests

General FAQ
Account Disable Documents
PKI TechTroubleshooting guide
Account Request Instructions
The DCII Agency Request Form