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By end-of-day Nov 1 - Plan, create/update test scripts in ALM. (SAP Business Areas)
End of day production snapshot from 9/
...
22/
...
2025 to be used to refresh SF3 environment
End of day production snapshot from 9/22/2025 to be used to refresh SH1 environment
End of day production snapshot from 10/20/
...
2025 to be used to refresh SH2 environment
Refer to calendar for detailed time frames
2025 SAP Support Pack Upgrade - Calendar View
Oct 
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9: SAP releases year-end support pack versions
Oct 
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13-
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17: SF3 upgrade
Oct 
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20:  SH1 ready for use
Oct 21 at 5PM: start of SF2 restricted window
Oct 
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20-23: SF2 upgrade
Oct 
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20 at 5PM: start of SH2 restricted window
Oct 22-Oct 
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28: SH2 refresh and upgrade
Oct 30 - Oct 31
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: IS&T Controlled Payroll Test
Nov 
...
3-
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25: SH2 business testing
Dec 
...
3 - 
...
5 - Uptime Production Cut-over Activities - 
Dec 
...
5 -Dec 
...
7 - Go-live weekend! (start Friday at 5pm)
Dec 
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8 - Upgraded  PS1 is ready for use
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SAP Scheduled Upgrades - ERP & Ancillary Systems
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