Transfer secondar calendar

[ZSAdmin Chirag H S]

Issue with Transfer Secondary calendar

I'm using GAM 7.21.01

Tried below commands:

gam user oldo...@domain.com transfer calendars newo...@domain.com c_8xx7c7cedb……@group.calendar.google.com

ERROR: 403: cannotModifyAclOfCalendarOwner - Cannot modify the ACL entry of a calendar data owner.

Tried this as well 

gam user oldo...@domain.com transfer calendars newo...@domain.com c_aaa...@group.calendar.google.com removefromoldowner addtonewowner

Error: >removefromoldowner< command doesn't exist

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[Ross Scroggs]

I can duplicate, I'm researching the problem.

Ross

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Ross Scroggs

Ross.S...@gmail.com

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[Ross Scroggs]

See: https://developers.google.com/workspace/calendar/release-notes

Ross

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Ross Scroggs

Ross.S...@gmail.com

On Jan 8, 2026, at 4:10 AM, 'ZSAdmin Chirag H S' via GAM for Google Workspace <google-ap...@googlegroups.com> wrote:

[Ross Scroggs]

See: https://github.com/GAM-team/GAM/wiki/Users-Calendars-Access#transfer-calendar-ownership

Ross

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Ross Scroggs

Ross.S...@gmail.com

On Jan 8, 2026, at 4:10 AM, 'ZSAdmin Chirag H S' via GAM for Google Workspace <google-ap...@googlegroups.com> wrote:

[ZSAdmin Chirag H S]

Thank you!

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