PSCCMClient

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With certain schedules, I get the above error in MCM. I looked over the WMI and I don't see anything particular about this return value:

https://learn.microsoft.com/en-us/mem/configmgr/develop/reference/core/servers/configure/sms_scheduletoken-server-wmi-class

The value returned from the function looks like this:

SmsProviderObjectPath : DayDuration : 0 HourDuration : 4 MinuteDuration : 0 IsGMT : False StartTime : 7/28/2023 2:00:00 AM

To assist with this, I'll add a schedule token returned that generates the error: 005C7D4020331680

Adding some more to this, according to our MCM admins, Microsoft recently added the ability to add a "Days Offset" parameter to the options available for 'SMS_ST_RecurMonthlyByWeekday', which seems to have resulted in a new, but undocumented, SMS Provider for scheduling:

https://learn.microsoft.com/en-us/mem/configmgr/develop/reference/core/servers/configure/sms_st_recurmonthlybyweekday-server-wmi-class

I see nothing related to it following that link.

FYI- I was able to get the new recurrence type details from Microsoft. It is returned by using the Convert-CMSchedule cmdlet in the CM PowerShell module:

SmsProviderObjectPath : SMS_ST_RecurMonthlyByWeekdayBase Day : 3 DayDuration : 0 ForNumberOfMonths : 1 HourDuration : 4 IsGMT : False MinuteDuration : 0 OffsetDay : 2 StartTime : 7/28/2023 2:00:00 AM WeekOrder : 3

JFYI (it looks pretty quiet in here) I believe the "missing 6th type" should be parsed like this:

            6 {
                $Day = [Convert]::ToInt32($binaryRecurrence.Substring(13, 3), 2)
                $ForNumberOfMonths = [Convert]::ToInt32($binaryRecurrence.Substring(16, 4), 2)
                $WeekOrder = [Convert]::ToInt32($binaryRecurrence.Substring(20, 3), 2)
                $Offset = [Convert]::ToInt32($binaryRecurrence.Substring(24, 2), 2)

                $WeekRecurrence = switch ($WeekOrder) {
                    0 {
                        'Last'
                    }
                    default {
                        $(Get-FancyDay -Day $WeekOrder)
                    }
                }
                $MW['Description'] = [string]::Format('Occurs the {0} {1} of every {2} months effective {3}', $WeekRecurrence, $([DayOfWeek]($Day - 1)), $ForNumberOfMonths, $StartDateTimeObject)
                $MW['Day'] = $Day
                $MW['ForNumberOfMonths'] = $ForNumberOfMonths
                $MW['WeekOrder'] = $WeekOrder
                $MW['WeekRecurrence'] = $WeekRecurrence
                $MW['Offset'] = $Offset
            }

Feel free to put in a PR. Happy to review it and merge!