Follow below steps only if you have Added like New Departments/IDs on POS-Register
Do Not Auto Sync, incase if you have completely changed the existing Departments/IDs on the POS-Register.
This may mess-up your CStore Essentials Price Book, incase if it already contains existing Departments and Items.
Contact CStore Essentials Support for any further questions or clarification.
Step by step instructions:
Go to your BackOffice Computer (the one connected to POS-Register)
On Desktop find POSLink shortcut
Launch POSLink Application, by DoubleClick or RightClick->Open
*Settings Icon on Top-Right
"Upload Register Settings"
Now it will Auto Sync Register's Departments, Tax IDs, Fuel IDs, Tender Types etc. and will Upload into CStore Essentials