I have url https://es-portal.gavi.org/sdgavi--uat/sdcs101/ in custom settings while redirecting to the url session id is not set in the cookie for that it always redirecting to login page.From request header i got that session id is not set .But as expected salesforce should set the sid in cookie as we don't have control on request header.Can anyone please suggest why sid or session is not set?Below image is request header for the url

Greetings, 

  I have been struggling with achieve record version. My requirement is: system should create a new record by incrementing version number whenever a change made on record. Can anybody help me to achieve this functionlaity. Would be appreciated your help. 

Thanks,
Satya