LDAP error on bulk export

Was running a bulk export of 966 users to Office 365 using the Graph API connector, the MIM MA finished running in approx 2mins 30secs however the Identity Broker save entities process continued running for an additional 20mins.

MIM received an ma-extension-error for each users object with unexpected error has occurred however all the user objects were successfully created in Office 365. Using version 5.0.4 for both IDB and the FIM connector

Found the following error entries in the IDB logs which are timestamped approx 20secs after the MIM MA finished its run.

Entry 1

Handling of LDAP Bulk Update request.
Handling of LDAP Bulk Update request received from user admin on connection 127.0.0.1:55046 failed with error "Cannot access a disposed object.
Object name: 'System.Net.Sockets.NetworkStream'.". Duration 00:01:44.1525241.

Entry 2

An error occurred on client from 127.0.0.1:55046. More details:
Internal Server Error #11: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'System.Net.Sockets.NetworkStream'.
at System.Net.Sockets.NetworkStream.Write(Byte[] buffer, Int32 offset, Int32 size)
at Unify.Framework.Visitor.Visit[T](IEnumerable`1 visitCollection, Action`2 visitor)
at Unify.Product.IdentityBroker.LDAPConnection.<RespondToMessageAsync>d__33.MoveNext()

I'm currently running another full sync to generate an additional bulk export to test further.