"This operation could not be completed..." when opening a cloud workshared model in Revit

Autodesk Support

Mar 14, 2025

Products and versions covered

Issue:

Users reported that, when opening a cloud workshared model in Revit, the following message displays:
 

Open Model

This operation could not be completed. Please try again.

"This operation could not be completed. Please try again" error in Revit


The following lines may appear in the journal:

< Exception System.InvalidOperationException: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.

< Invalid Communication Exception while interacting with Revit Server. Please contact technical support.

0:< SendActivity: Could not send activity notification to PAC. 
' 1:< Miss Model Version ModelVersion(Version > Major:-1, Minor:1 : HistoryCheckInfo > ModelHistoryCheckInfo(LatestEpisodeGuid > EpisodeGuidGUID############################, ClientModelGuid > GUID00000000-0000-0000-0000-000000000000)) in PAC cache
GetFileAsync (HTTP): CorrelationId = ####################, CFID = ########################==, Download Unsuccessful, deleting target file.

CentralModelException "An internal error happened on the central model, please contact the server administrator." 
< Found exception - exception: Autodesk.Revit.Exceptions.CentralModelException, msg: An internal error happened on the central model, please contact the server administrator.

Exception has been thrown by the target of an invocation. 
' 0:< Exception One or more errors occurred.
Thread "RevitSrvToolDownloader_0" terminating due to error
Unable to download all resources 

< 1 ModelServerState "Created": Current server = ":Not Queried", Model server = "https://model15.skyscraper.autodesk.com/", Model server state = "Model Corrupted"
ERROR : Cannot connect to central model

 

Causes:

The FIPS setting in Windows is enabled. 

Solution:

To resolve this issue, follow the below steps to disable the FIPS setting in Windows:

  1. In the Control Panel, click "Administrative Tools", and then double-click "Local Security Policy". Or directly search "Local Security Policy" on the Windows search bar and open Local Security Policy

  2. In Security Settings, expand "Local Policies", and then click "Security Options"

  3. Under "Policy" in the right pane, double-click "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing," and then click "Disabled".


    Local Security Policy dialog box

Additional Articles

For more articles on this, see the following link: "This operation could not be completed." when opening cloud model in Revit.

Products:

Revit Cloud Worksharing; BIM 360; Revit;

Was this information helpful?

Need help? Ask the Autodesk Assistant!

The Assistant can help you find answers or contact an agent.

Ask the Assistant

What level of support do you have?

Different subscription plans provide distinct categories of support. Find out the level of support for your plan.

View levels of support