Replications were not running, They look like they are hanging. Many jobs would sit in queue and all jobs would not be able to finish.
Insufficient system memory, memory management, and windows patch level.
1. Make sure your vRanger windows server operating system vm has been patched to current. Windows 2008 servers should have the latest service pack installed.
2. Make sure you vm has sufficient memory, and the recomended page file size. If you are running 3-4-5 concurrent replications and you see all the memory being used, you need to increase the memory on the vRanger server and Increase the page file size. Your other option is to cut back on the concurrent jobs.
3. Install the current version of vRanger.