The process cannot access the file because it is being used by another process.

Error found in service log:

This error indicates that the v2 service is trying to replicate an attachment, but is unable to access it because it is used by another process.

It's probably due to the fact that a user has this file open on their computer, or that it has been attached to an email and the users outlook client must be restarted to release the file.

This type of error should not cause any major replication issues, it just means that this particular file is not replicated to the ship during this service loop.

Error popped up during use in TM client:

This error indicates that the TM Master v2 client is trying to attach a file, but is unable to access it because it is used by another process.

It's probably due to the fact that a user has this file open on their computer, or that it has been attached to an email and the users outlook client must be restarted to release the file.