When including attendees to my meeting invitation, for several of the attendees, their free/busy status mirrors as “No Information” in the Scheduling Assistant.

You are watching: No free busy information could be retrieved

Why is this and how have the right to I make Outlook retrieve this details again because that this attendee?


*
There could be several reasons why Outlook to be unable to retrieve the Free/Busy status of an attendee.

Each the these reasons require different solutions ranging from very easy to fix by yourself, to requiring your Exchange administrator to make server-side construction changes.

Below you’ll find summary of typical reason reasons, things to check and also solutions to acquire the Scheduling Assistant to display the Free/Busy info again for your attendees.

*
No free/busy information might be obtained for Professor Xavier. However why?

Quick Solution

*
With a little bit of luck, you can quickly solve this concern by removed the attendee and then adding it again via the worldwide Address list in the Outlook address Book.

In this case, the is important that you do not pick the attendee from the AutoComplete list once it provides a suggestion.

When you space on the meeting tab and Outlook argues the attendee when typing in the compelled or Optional field, you can use the X on the ideal side to eliminate it.

This is the same method as removing an deal with from the AutoComplete list once addressing an email.

Optionally, you deserve to reset your whole AutoComplete list via;

File-> Options-> Mail-> section: Send messages-> button: north Auto-Complete list

To select the attendee indigenous the Outlook deal with Book, simply click the compelled or Optional button.

When you are on the Scheduling Assistant tab, don’t add the attendee via the every Attendees list on the left yet click ~ above the include Attendees command ~ above the Ribbon instead.

The truth that this functions is due to the fact that somehow the cached AutoComplete entry has actually lost the relationship to the Exchange object of the user.

Selecting the attendee indigenous the worldwide Address list of your address Book will certainly make certain that all Exchange referrals for the user room correct again and the free/busy information have the right to be retrieved.

Behavior and limitations

*
Other points to be conscious of, and also may quickly explain why girlfriend don’t check out the Free/Busy information, are;

Verify the you are online v Outlook.This might sound obvious, yet it is much better to check anyway. Choose your get mailbox folder and look at the status Bar on the bottom right. Here is need to state “Connected” or “Online”. When it reflects “Working Offline” or “Connecting”, the lookup will fail.Make sure you room in the Calendar of her Exchange account.Free/busy lookup doesn’t work for calendar belonging come POP3 and also IMAP accounts.Check whether the attendee is component of your organization.By default, free/busy only works for inner attendees. Adding someone from another company, only works when your administrator has actually configured a federation trust. This exception is defined in much more detail later in the guide (Check 3).Expand your circulation lists or Microsoft 365 Groups.You’ll require the individual members the the group to collection the free/busy information.You’re having actually “too many” attendees for your meeting.There is a limit to the amount of attendees Outlook can present free/busy info for. Unfortunately, this limit isn’t released and likewise has to execute with exactly how long that takes for the details to it is in retrieved. However, I had no concerns with adding over 500 attendees to a single meeting; Outlook accumulated the free/busy info in batches and completed that for all attendees in ~ 3 minutes.

For much more info, additionally see; Can"t check out scheduling or free/busy details for conference attendees.

No rapid success?

*
If the over doesn’t occupational for girlfriend or doesn’t define why you don’t check out the free/busy information, there space a couple of things to check.

This will aid to determine whether that is something that you can change or needs to be excellent by her administrator.

Check 1: does it occupational in Outlook top top the web (OWA)?

*
If it works in Outlook on the Web, the an excellent news is that you don’t need to involve the attendee to acquire it functioning again.

In the case, you deserve to skip examine 2 and check 3 together well and also directly go to inspect 4.

Check 2: are the correct permissions set?

*
If that doesn’t occupational in Outlook top top the web either, it is finest to call the attendee and also ask even if it is the correct permissions are collection on the Calendar folder.

This have the right to be done by right clicking on the Calendar folder and also choosing: sharing Permissions…

The permissions have to be collection to one of the following;

My Organization: have the right to view once I’m busyDefault: Free/Busy time

When you’ve to be granted permissions by name, they should be the exact same or much less restrictive 보다 the My company or Default permissions.

*
Calendar permissions are needed to check out free/busy information.

Check 3: Is the recipient interior or federated?

*
When the permissions are collection correctly and the free/busy lookup still doesn’t work, even in Outlook top top the Web, realize that the lookup only works for attendees the are inner to her Exchange company or room federated v it.

If the attendee is internal however you are in a hybrid Exchange environment, climate there is most most likely an worry in the hybrid-configuration which her administrator needs to address.

If the attendee is external however federated, her administrator can check whether the federation trust is still configured correctly.

Additional resources have the right to be found below.

How to address Federation Trust concerns in Hybrid construction Wizard (HCW)Demystifying Hybrid Free/Busy: what room the relocating parts?Keep her Federation to trust up-to-dateCreate an company relationship in Exchange OnlineUsers deserve to see only basic free/busy mailbox details in a remote forest in Microsoft 365Users can"t check out free/busy details after a mailbox is relocated to Office 365

Check 4: walk it work-related with Cached Exchange mode disabled?

*
When it works in Outlook top top the Web yet not in Outlook, a quick examine would be to verify even if it is it works as soon as you disable Cached Exchange Mode.

File-> Account Settings-> Account Settings…-> twin click on her Exchange account-> disable: use Cached Exchange mode to download email to an Outlook data file

When it works now, the issue is most most likely in your neighborhood cache.

To recover, the is encourage to recreate her Mail profile and try again.

However, together an in in between solution, you could attempt to just delete her ost-file and/or cached Offline attend to Book papers while Outlook is closed.

Afterwards, make certain that you permit Cached Exchange setting again.

Check 5: room all users and also attendees affected?

*
When it functions in Outlook ~ above the Web but not in Outlook, check whether it applies to all attendees or just particular ones.

Additionally, ask her colleagues even if it is they have actually the very same issues.

Being associated via the LAN of her network or working from home with or without a VPN connection could do a distinction as well.

Best is to inspect all this permutations and also make certain you restart Outlook every time after transforming your connection.

You have the right to then carry out this details to her Exchange administrator.

Most likely, her administrator will should make some changes to the Exchange internet Services (EWS) and/or AutoDiscover settings or come the means that they room being published.

See more: How Long Does Construction Adhesive Take To Dry ? How Long Does It Take Liquid Nails To Set Up

When these services are no configured correctly, various other things in Outlook, like modifying your rules or permitting Automatic Replies, will not job-related either.

Autodiscover organization in Exchange ServerAutodiscover: Some rapid methods to gain it workingGet-WebServicesVirtualDirectory (Exchange internet Services)

Last modified: august 20, 2021