Outlook slow to send or receive emails

Problem

When trying to send and receive emails, Microsoft Outlook takes a long time to complete the task or is unresponsive.

Resolution

Verify that the Exinda is causing the slowness by putting the appliance into bypass mode.

1. If Microsoft Outlook continues to be slow, the Exinda Appliance is not causing the slowness. Troubleshoot other areas of your network to find the problem.
2. If Microsoft Outlook performs at an expected speed while the Exinda Appliance is in bypass mode, accelerate the MAPI traffic using only basic header marking by running the following CLICommnad line interface command: acceleration mapi basic-header-marking-only

With basic header marking, only the top level RPC header of each message is ignored when the traffic is accelerated. By accelerating with basic header marking only, the performance is improved but there is less reductionmeasures the amount of redundant data that has been removed from the network, increasing capacity in MAPI traffic.

If performance is not improved, collect a sysdump and packet captures while using Microsoft Outlook, and contact Exinda Support.