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Shared Mailbox Access
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Challenges
In enterprise environments, shared mailboxes often reside in different regions or server farms. When users experience slow access, it can be difficult to determine whether latency stems from geographic distance, cross-region dependencies, or broader service issues. Without active monitoring, there’s no reliable way to tell.
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The test first determines whether a user has access to any shared mailboxes. If shared access exists, the scan uses OWA to connect and measure access latency. For users without shared mailboxes, the test is skipped.
Customer Value
By continuously measuring access performance, administrators gain actionable insight into regional or cross-farm latency issues. This helps distinguish between normal geographic delay and emerging performance degradation, improving both troubleshooting speed and user experience.
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TrueDEM performs a DNS lookup against Autodiscover.EmailDomainName.com and verify the returned domain name is directed to Microsoft 365's listed service. (autodiscover-s.outlook.com)
Customer Value
AutoDiscover name resolution delays and name resolution loops can cause considerable confusion for internal IT teams. Outlook desktop and mobile clients do not call out DNS resolution issues as the clients will eventually try M365 servers. This can result in clients that take many minutes to open a mailbox, look up other users, even send email with no clarity on why it is so slow.
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This method combines prediction with seasonal outlier detection using each mailbox's inbound mail stream.
Customer Value
This monitoring provides early visibility into potential mail flow problems—often before users notice a slowdown—giving IT teams time to act and communicate proactively.
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