Overnight all the Office files on a file server have become corrupted. It seems that other files have not been affected. When you try to open a file the error is 'The file you are trying to open is in a different format that specified by the file extension. Verify that the file is not corrupt and is from a trusted source.....'
There is no disk corruption (neither the Operating System or the Dell server manager, it is a Dell server, are reporting any problems. The oddity is that these files are replicated to a remote site but the remote files do not appear, at this stage, to have been affected? Additionally, the replication is done based on changed files and yet we are not seeing the continuous replication you would expect.
Any suggestions welcome please?