To enable a CA (Certification Authority) on Windows Server 2003 R2 to use the unmodified subject (Relative Distinguished Name) that is supplied in the certificate request:

1. Open a CMD.EXE window.

2. Type the following commands, pressing Enter after each line:

Certutil –setreg ca\crlflags +CRLF_REBUILD_MODIFIED_SUBJECT_ONLY                              net stop certsvc                              net start certsvc