upgrade from CUCM 11.5 to 14 ?

[James Poff]

hi everyone..

is this possible to upgrade from cucm version 11.5 directly to 14 ?

[Mohammadreza Hadi]

i think,
you must do "Fresh install" your CUCM 14 & then do Data Import from your old CUCM 11.5

[b.winter · Accepted solution]

That's wrong, you can do a direct refresh upgrade from 11.5 to 14.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/14_0_1/cucm_b_upgrade-and-migration-guide_14/cucm_b_upgrade-guide-1251su2_chapter_00.html

[Mohammadreza Hadi]

dear @b.winter 
yes, you are right.. it's possible
i said that sentence based on a wrong & old document which i had.. sorry

dear @James Poff 
please correct the "Accepted Solution" & set to the Post of @b.winter 

[b.winter]

Check the installation and upgrade guide. Everything you need to know is there.