Articles on using REST with PowerShell

I was recently asked for information on using REST with PowerShell. I’ve assembled some links on this subject and wanted to share them. Articles on using REST with PowerShell: Using the Office365/Exchange 2016 REST API to access Mailbox data using PowerShell part 1https://gsexdev.blogspot.com/2017/02/using-office365exchange-2016-rest-api.html Using the Office365/Exchange 2016 REST API part 2 building an Admin Runner…

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About: Using REST with PowerShell

PowerShell can be used with REST to work with the content of mailboxes and perform the many of the operations which can be done with APIs such as Exchange Web Services. Some have had a hard time tracking down information and samples in this area, so I have compiled ones I have found to make…

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Backup of Individual mailbox items

There are a lot of well -written and well-behaved item level backup applications. If you are writing one, then you will encounter many difficulties to get to the stage where the application works well. This type of application is challenging to build; however, you need to do a lot of homework and testing. I’m going…

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EWS calls for dealing with people

One area of development has to do with finding and dealing with information about people. EWS provides calls in different areas to cover this area well. Below I’ve assembled links and some information to help with development in this area. I’m keeping the content lean and its intent is to show you areas to look…

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EWS Subscription Error: One or more subscriptions in the request reside on another Client Access server. GetStreamingEvents won’t proxy in the event of a batch request.

So, you got this error: One or more subscriptions in the request reside on another Client Access server. GetStreamingEvents won’t proxy in the event of a batch request. Don’t panic, its fixable with some needed code changes. Part of the process of subscribing for EWS Streaming Notifications against Exchange 2013 and later involves gathering the…

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About: Using EWS and PowerShell

Exchange PowerShell cmdlets are used for Administrative work on a server and with mailboxes.  However, it provides very little access to things inside the mailbox.  Exchange PowerShell is geared to Admin work and not working with things inside of a mailbox. To work with items in a mailbox you need another mail – the type…

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How-to: Basic check for Exchange Web Services connectivity using code

When a program is about to start talking to Exchange there is the chance of some sort of connectivity problem which will cause its EWS calls to fail. A basic can EWS call can be done to see if EWS can be reached and process a basic request. Below is such a connectivity test call…

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Best Practices: Important and critical headers for EWS

It’s important to set several headers in your code help assure calls will work and to provide information to be used in diagnosing issues. As an example, some calls wither won’t work or may only work against some servers if you don’t set the X-AnchorMailbox header. If there is a need to review your application’s…

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How-to: Accessing other mailbox calendars with Graph

Accessing calendars with Graph requires some configuration in permissions before the Graph call will work. What is required relates to the type of application and that drives the type of permissions – Delegate or Admin. Below is information to help understand and help setting up the needed permissions.Starting information: For Graph to read from a…

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