Error: Unable to connect to the remote server.

I have been running RS for a month and it was working fine. However, now it is giving me the following error:

The underlying connection was closed: Unable to connect to the remote server.

Any ideas? Thanks

Is this both remotely and from the local server? And of course some of the basice questions:

Have you installed any new software?

Have you made any changes to your IIS?

Have there been any firewall changes?

Is this from all machines?

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Yes, this is both remotely and from the server. SQL is intalled on the remote server. The error is from all machines. The only new software installed on the IIS (where RS is intalled) is Cold Fusion. This might be the cause, but I don't understand how? No firewall changes have been made.

Thanks

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I don't know if this is an option, but have you tried to reinstall report services? or removing Cold Fusion. Also you may want to call the makers of Cold Fusion and see if they have heard anything like this.

To be honest I am taking stabs in the dark on this one, sorry.