Exinda Network Orchestrator
5 Troubleshooting
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548
5.3.2 Outlook slow to send or receive emails
5.3.3 Decrease in acceleration of MAPI traffic
5.3.4 Reduction ratio for MAPI is different between Client-side and Server-side Exindas
5.3.1 Outlook cannot connect to the Exchange server
Problem
Microsoft Outlook continuously tries to connect to the Microsoft Exchange server.
Resolution
Verify that the Exinda is causing the connection issue by putting the appliance in to bypass mode.
1.
If Microsoft Outlook continues to be unable to connect to the Exchange server, the Exinda Appliance is not causing
the problem. Troubleshoot other areas of your network to find the problem.
2.
If Microsoft Outlook can connect to the Exchange server while the Exinda Appliance is in bypass mode, collect a sys-
dump and packet captures while attempting to connect Microsoft Outlook to the Exchange server, and contact Exinda
Support.
5.3.2 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 CLI 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 reduction in MAPI traffic.
If performance is not improved, collect a sysdump and packet captures while using Microsoft Outlook, and contact
Exinda Support.
5.3.3 Decrease in acceleration of MAPI traffic
Problem
The amount of acceleration experienced on MAPI traffic is not as much as has previously been experienced. The
appliance may also be sending alerts about encrypted connections.
Summary of Contents for EXNV-10063
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