OneDrive/SharePoint drive mapper - which one?

[IAMCloud_Curt]

On 26/06/2025 at 08:10, TheRobins said:

V3 has been very stable indeed, the odd authentication delay/issue but convinced looking at the logs when they happens its a MS issue and not CDM.

 

 

Hi @TheRobins are you still having this issue? I am keen to see what the problem is and how we can help.

[DavR]

1 hour ago, IAMCloud_Curt said:

Hi @DavR

 

It's technical name is 'Delta refresh policy' - it's a polling mechanism that we use configurable in your Bandwidth policy settings within Iris. The default is 5 minutes. This is the soft spot between getting remote content updates in that 5 minute windows vs the trade off with Microsoft Graph throttling.

 

The delta refresh basically gets your existing delta token and we ask Microsoft Graph for the latest updates between your last token and then right now (basically any changes in that 5 minute window) we then sync that back down to your local network drives.

 

Beyond the horizon
Looking further ahead to later this year, we’re working on the following enhancements, which are still in the early stages of development:

 

Graph notifications
Graph notifications will be the single most significant mitigation we can make against throttling. Currently, when users browse their drives, it’s all done on-demand in real-time, which is very efficient. However, when a user keeps a folder open in File Explorer for extended periods, CDM must continuously check for updates to ensure that the folder stays up to date.

At present, CDM handles this by polling the Graph API every 5 minutes by default, or as frequently as every 30 seconds. Even with conservative polling intervals, this results in many redundant requests to Microsoft 365, increasing the risk of throttling without significantly improving the user experience.

A far more effective approach is to have the Graph API notify CDM in real time whenever a change occurs. Instead of polling at fixed intervals, CDM will remain idle and only retrieve updates when the API alerts it to a change. This will not only reduce the number of API calls throughout the day but also improve responsiveness, allowing users to see updates almost instantly rather than waiting several minutes (or longer if throttling is in effect).

 

Curt Blunt
Technical Operations Manager
IAM Technology Group Ltd

 

Thanks @IAMCloud_Curt, I managed to work out the whole Delta thing OK.

 

I agree though, having the API notify changes rather than sending endless requests, I suppose the programmatic equivalent of leaning on the F5 key, is the way forward if it can be made to work. Will this new mechanism appear in a coming version of V3, or will it be V4? And is there somewhere we can sign up to hear about such version upgrades?

[IAMCloud_Curt]

30 minutes ago, DavR said:

 

Thanks @IAMCloud_Curt, I managed to work out the whole Delta thing OK.

 

I agree though, having the API notify changes rather than sending endless requests, I suppose the programmatic equivalent of leaning on the F5 key, is the way forward if it can be made to work. Will this new mechanism appear in a coming version of V3, or will it be V4? And is there somewhere we can sign up to hear about such version upgrades?

Hi @DavR

 

Will this new mechanism appear in a coming version of V3, or will it be V4?

A: We are not sure yet on version. Whether it warrants being a major or minor the business will decide that later down the road.

 

And is there somewhere we can sign up to hear about such version upgrades?

A: Soon. Very soon! We will have a subscribe type RSS feed on our knowledge base for our releases.

 

You can see the latest releases all the time here: Release notes