Migrating tickets from BMC Helix to ServiceNow

[iamkurt]

I want to migrate tickets from Helix to ServiceNow 

There are a few questions I have. 

1) In Helix we had not synced with AD. In ServiceNow, we are. Users and groups in ServiceNow are synced with AD. 

Furthermore, group names have changed in ServiceNow / AD. 

So when we are migrating , how do I ensure that migrated tickets are populated with the correct group? I know I need to design the import sets and transform maps accordingly but I am still wrapping my head around this. 

2) Which is the simplest way to migrate among these?

A. REST API

B. Web services

C. Excel 

D. CSV

E. Alderstone CMT / Helix Data Migrator 

3) If I take the Excel or CSV route , can I migrate all work notes and attachments from every ticket?

4) How can I convert WO’s in Helix into ServiceNow RITM or SC_TASK’s ?

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Let's take example of Change Requests and Work Orders from Helix.

A) How do I migrate all the mandatory fields of a *change request*, along with all the work notes and attachments, from Helix to ServiceNow?

B) How do I migrate all the mandatory fields of a *work order*, along with all the work notes and attachments, from Helix to ServiceNow RITM?

Would someone please advise me on the step by step process for above?

PS - I posted this before but did not get any response at all → https://www.servicenow.com/community/virtual-agent-forum/how-to-migrate-tickets-from-bmc-helix-to-se...