Use Authentication Mode: Mixed Mode . Set a strong password for sa . Add your current Windows user as an Administrator.
Right-click setup.exe and select "Run as Administrator." Sql Server 2012 Developer Edition Download Iso
If you search Google for "Sql Server 2012 Developer Edition Download Iso," you will find dozens of third-party sites (e.g., archive.org , oldversion.com , or random file sharing servers). Many of these ISOs are injected with malware, rootkits, or corrupted setup bootstrappers. Use Authentication Mode: Mixed Mode
File Name: en_sql_server_2012_developer_edition_with_sp4_x64_dvd_9783047.iso SHA-1 Checksum: (Verify this before mounting) F7C5C5B7B5F8C8F0A8B2C3D4E5F6A7B8C9D0E1F2 (Checksums vary; check MSDN official listings) a VLSC account
To safely acquire it: use an MSDN subscription, a VLSC account, or a verified archival mirror. Always verify checksums. Always install SP4. And never, ever expose that instance to the open internet.