Views:

Behavior:
When attempting to save a document, it is not passed to the Web Client.

Solution:
Since DocuWare version 6.6, the DocuWare services and application pools use the Microsoft Message Queuing (MSMQ) for internal communication.
These "Private Message Queues" are bound to the user of DocuWare services and application pools.

Please refer to the article to enable the service to reset (MSMQ): 
How do I reset the Microsoft Message Queueing (MSMQ)?

KBA is applicable to On-premise Organizations ONLY.