******Internal to CitiXsys******* Product Query:
A Customer running iVend 6.5 update 5 with 40 + Stores across the region and they are planning to upgrade to 6.6.
The Customer has come up with the below plan :
1. Upgrade iVend enterprise to 6.6 at Enterprise and monitor for 2 business days.
2. Upgrade 2 stores to 6.6 per day.
3. I will need around 20 days to complete all branches.
With this plan Customer has come up with the below queries:
1. With the above planning, Will the Enterprise server running at 6.6 will be able to communicate with stores running on 6.5 ?
2. If not how replication from stores to Enterprise will be managed( Sales, payments & stock adjustment,…)?
3. How replications of master data from Enterprise to stores will be managed during 20 days of the upgrade?
Solution:
First of all it is highly recommended to carry out the product upgrade in the Test environment and run all Business-critical UAT cases.Once it succeeds then only go for a production system upgrade.
And as best practices, it is recommended to carry out the upgrade at Enterprise and stores at one go ( if feasible). In case it is not feasible then individual stores can be upgraded later also at the next available slot, however replication between the stores and Enterprise will resume only once both are upgraded to the same version.