changing calendar visibility for prior events

[Daniel Schwartz]

Hi - 

We've decided to share our work calendars with our department, but some people had prior events that were personal on their calendars and wanted to make all those older events "private".  So I'm using this command to change all the prior events to private -

gam calendar abc...@domain.edu update event before 2025-01-01 visibility private

and it works great for a while and then aborts with this message -

  Calendar: abc...@domain.edu, Event: _6ss38ca668o38ba2691jeb9k8krjgb9p8cqkcba58l1j6dhm710jeda16g, Updated (2873/7171)

  Calendar: abc...@domain.edu, Event: 7nfrrckqlkp30uljoo2aik2s8c, Updated (2874/7171)

Traceback (most recent call last):

  File "__init__.py", line 5324, in callGAPI

  File "googleapiclient/_helpers.py", line 130, in positional_wrapper

  File "googleapiclient/http.py", line 938, in execute

googleapiclient.errors.HttpError: <HttpError 503 when requesting https://www.googleapis.com/calendar/v3/calendars/abcdef%40domain.edu/events/_6h0j8dpp8opk4b9g890jgb9k8cqjab9p7123cb9o850jidi68op3ih1n64?conferenceDataVersion=1&sendUpdates=none&supportsAttachments=true&fields=&prettyPrint=false&alt=json returned "Authentication backend unavailable.". Details: "[{'message': 'Authentication backend unavailable.', 'domain': 'global', 'reason': 'backendError'}]">

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "__init__.py", line 77234, in ProcessGAMCommand

  File "__init__.py", line 76256, in processCalendarsCommands

  File "__init__.py", line 39233, in doCalendarsUpdateEvents

  File "__init__.py", line 39199, in _updateCalendarEvents

  File "__init__.py", line 5352, in callGAPI

gamlib.glgapi.serviceNotAvailable: Authentication backend unavailable.

I was looking for some help on being able to restart from the last event or maybe a setting to have it continue / recover / backoff instead of aborting completely.  I'm a little behind in versions running GAM 7.07.00 

Thanks - Dan

[Ross Scroggs]

Dan,

Send me a private Meet/Zoom invitation to discuss,

Ross

----

Ross Scroggs

Ross.S...@gmail.com

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[Ross Scroggs]

Get 7.07.09 and try the command again.

Ross

----

Ross Scroggs

Ross.S...@gmail.com

On May 23, 2025, at 8:12 AM, 'Daniel Schwartz' via GAM for Google Workspace <google-ap...@googlegroups.com> wrote:

[Dan Schwartz]

Thanks Ross.  I'll give it a try!  - Dan

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Dan Schwartz | LTS - Systems Engineering  | Lehigh University | da...@lehigh.edu

To view this discussion visit https://groups.google.com/d/msgid/google-apps-manager/0386CF95-A348-4820-B99E-D984824C4BC2%40gmail.com.

[Dan Schwartz]

Just to follow up, version 7.07.11 recovered from all the errors we encountered and was able to process over 7000 events. 

Ross is the best!   Thank you.  - Dan

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Dan Schwartz | LTS - Systems Engineering  | Lehigh University | da...@lehigh.edu