Skype is generally used for instant messaging services.

But you could also transfer images and files also.

If the transfer is down then there could be several reasons.

One can add images or include files inSkype IM chats.

Sometimes due to several reason these doesnt reach the other contacts.

It can be an Office 365 or Server environment or simple web interface.

First check the following points before you debug the issue.

Automatically you will get 125KBps download speed.

This will increase the time to transfer the file and sometimes may hang up.

When the Skype call is over, the file transfer speed will improve again.

Note: All the call and chat history is still saved in the old Skype folder.

Using the above technology, one can talk to external organizations using Skype for Business.

Each company can decide to enable federation for specific domains or allow for everyone.

It depends on whether Skype for Business is On-Premise or Online.

Sometimes there can be a Hybrid environment.

The messages from a federated user will be received by Skype for Business client.

In Microsoft Teams mode, the IM messages and calls from federated users are received in Microsoft Teams.

This configuration can also have an effect on file not transfer not working between domains or networks or companies.

For complete details you’re free to see this article.

The For compliance, turn off non-archived features option is unchecked.

For the steps, you’ve got the option to refer to: https://support.office.com/en-us/article/Configure-configs-for-individual-users-77B26EAC-8228-4161-BA9F-733B187BD836

2.

External Skype for Business and Skype users have turned on external communications.

you’re free to also uninstall and reinstall Skype to see if file transfer is working properly.

Fix #3

Sometimes the image file transfer may not work.

Also see to it the latest Skype for Windows 10 or Desktop is installed, based upon the requirement.

To troubleshoot this issue, you could throw in this text/dumpmsnpin any chat window and click Send.

Copy and paste the output from the command and send to the Skype internet Administrator for analysis.

As a Skype admin you decide whether each user can send files to one another or not.

The most common way of sending files is using P2P protocol in IM.

These can be found in prefs (Windows 10) or Control Panel (Win 7 or 8.1).

By disabling it through registry edits can fix the problem sometimes.

In that case, first resolve this error.

The reasons could be like this.

you’re able to also adddistribution groups to contacts.

In this way, people in the group is granted the Colleagues access level by default.

When users from the second conference enter the first conference, there can be some confusion.

So create an Unique ID for each conference call to stop this mix up.

This can be used to disable desktop sharing and file transfer for specific users.

In that case, you oughta change the Server controls.

you gotta edit the Conferencing tab on the left-hand side.

Then modify the Global and Desktop and tool Sharing policy to Enable peer-to-peer file transfer.

Wait for the update to complete and restart the Skype client on your PC.

Then the above message will be gone for all the other users also.