Archicad must be able to communicate with BIMcloud / BIMcloud Basic to provide Teamwork. To verify this, run the Network Diagnostic Tool from the Open / Join dialog or the Teamwork Palette. Verify whether all necessary ports are open and the server machine is available from the client machine.
Whenever possible, use wired connection to the network. Try turning off the wireless connection to make sure you can access the BIMcloud / BIMcloud Basic's computer over the network.
Snapshots are created during working hours
Creating library / project Snapshots is a fairly intensive I/O process of BIMcloud / BIMcloud Basic. Schedule these Snapshots to be created after working hours.
3rd party applications are blocking the communication on the client side
Antiviruses, firewalls, backup or any other monitoring applications (e.g. Windows Search, macOS Spotlight) can interrupt the communication between Archicad and the BIMcloud / BIMcloud Basic. In the settings of the above-listed applications add Archicad and its folders to the exception list. Make sure to schedule 3rd party backups to run outside of working hours.
3rd party applications are blocking the communication on the server side
Antiviruses, firewalls, backup or any other monitoring applications (e.g. Windows Search, macOS Spotlight) tend to scan all files in real time, which can cause huge performance issues on the server side. Turn off file indexing and add the Projects and Attachments folders to the exception list in your antivirus / firewall settings.
BIMcloud / BIMcloud Basic is installed on a File Server
Use a dedicated disk (or if it is possible, a dedicated computer) for BIMcloud / BIMcloud Basic and another one for the file server.
BIMcloud / BIMcloud Basic and a File Server are highly I/O intensive applications that tend to regard the data storage as their own. If you host both on the same computer, this could lead to conflict over resources, with the result that neither application can work efficiently.
Hardware is low on resource under the BIMcloud / BIMcloud Basic
Make sure that the server computer meets the system requirements: see the Recommended Hardware for BIMcloud / BIMcloud Basic article for further info. Improve the hardware resources if necessary.
Network infrastructure issue
Software and hardware issues in the network infrastructure can cause trouble as well. Make sure the driver of the Network Interface Card is up-to-date. Verify the hardware side: check network cabling and test the performance of the Network Interface Card by copying a large file to the server computer through the network.
If you still experience the above issue, please contact your GRAPHISOFT support representative. For the investigation Archicad FastLogger files and BIMcloud log files might be necessary.