Unable to update resource calendar acl, keep getting internalError - Internal error encountered

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Duncan Nash

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Sep 13, 2025, 5:12:42 PM (2 days ago) Sep 13
to GAM for Google Workspace
Hi there,
I'm trying to update my resource calendar acls for the the domain access  from reader to freebusyreader to temporarily block booking of the resource in preparation to do a reset on the books for the rooms.

I can retrieve the current acls on the rooms with out issue but when I attempt to pdate the 'domain' acl I get backed off with internalError - Internal error encountered before its failing with ERROR:500.

command used.
gam calendar mycalreso...@resource.calendar.google.com update acls freebusyreader domain:mydomain.com sendnotifications false

I did not originally create the resources and I think this could be the issue.

I had created two resources separately  recently, and I update the acls for those resources.

I'm using 
GAM 7.14.03 - https://github.com/GAM-team/GAM - pyinstaller
GAM Team <google-ap...@googlegroups.com>
Python 3.13.5 64-bit final
Windows 11 10.0.26100 SP0 Multiprocessor Free AMD64

Regards
Duncan

Duncan Nash

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Sep 13, 2025, 5:36:39 PM (2 days ago) Sep 13
to GAM for Google Workspace
Hi there 
to provide an update on this.
Instead of trying to update the domain acls on the resource. I decided to see if deleting the reader role for the domain would work with 

gam calendars myresourceemailaddress delete acls reader domain:mydomain.com

this worked as expected. I could then add an acl

gam calendars myresourceemailaddress add acls freebusyreader domain:mydomain.com sendnotifications false

and then update the acl with

gam calendars  myresourceemailaddress update acls reader domain:mydomain.com sendnotifications false

If anyone can give some insight as to why I couldn't initially to the update the resource calendar I had created that would be great.

Regards
Duncan
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