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Outlook has suddenly started opening the wrong mailbox for one of my on-prem Active Directory users. The switch happened right after the latest Office 365 update, so I suspect something went sideways with the licence assignment or an Azure AD / Autodiscover attribute. Here’s the current picture: • The user signs into Windows with their domain credentials. • Outlook 365 (desktop) launches but connects to a completely different mailbox within the tenant. • OWA shows the correct mailbox, which tells me the licence itself is fine—it’s Outlook’s profile or the underlying AD attributes that are off. I need someone who can jump in, trace where the identity mapping broke, and get Outlook talking to the right mailbox again. Expect to work with: Active Directory (on-prem) Azure AD / Entra ID sync settings Office 365 admin center & licence assignment Outlook profile, Autodiscover, and related registry or PowerShell tweaks Deliverable: the user opens Outlook on their PC, sees only their own mailbox, and can send/receive without errors. A short summary of what you fixed or cleaned up will help me avoid a repeat. Remote work via Teams or AnyDesk is fine, and I’m ready to schedule as soon as you are.
Projekt-ID: 40085607
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Hi there, I can work with you remotely via Teams or AnyDesk, and I’m ready to schedule right away. Best, Ahmad
$45 USD in 1 Tag
2,5
2,5
14 Freelancer bieten im Durchschnitt $59 USD für diesen Auftrag

Hi there, I'm an IT Professional with over 7 years of hands-on experience in Server, Network, Firewall, AWS, Virtualization, Google Workspace, Scripting, Migrations, Office365 & IT Support. I have managed to solve complex office365 account issues and would love to assist you in this. Please drop me a text in chat box to discuss further. I hope to talk to you soon. Thank you!
$100 USD in 1 Tag
5,2
5,2

Hello! My name is Saira Arif, and I'm a Linux Engineer and Full Stack Developer with a solid track record in troubleshooting complex technical issues. Reading through your project description, I believe I command the right combination of skills and experience to successfully resolve your Outlook account mismatch conundrum. Over my career, I've worked extensively with Active Directory both on-prem and syncing it with Azure AD/Entrada ID. This experience affords me a deep understanding of how license assignments and identity mapping can influence the functionality of services like Outlook. Additionally, as a seasoned Office 365 admin, I've dealt with various profile-related complications, including Autodiscover and registry settings. My deliverable promise aligns closely with what you're looking for - ensuring your user has seamless access to their mailbox with full send/receive functionality. Furthermore, I make it my priority to provide detailed reports at the end of each project to prevent issues from reoccurring in the future. Ready to begin working remotely via Teams or AnyDesk whenever you are. Let's get your Outlook back on track starting now!
$28 USD in 1 Tag
4,0
4,0

Hi! Pleased to meet you on this platform. I just read through the job details and can help you with troubleshooting the Outlook issues. Let's discuss more on chat. Warm Regards. Bc
$40 USD in 2 Tagen
3,2
3,2

As an experienced Python Developer and DevOps Engineer, I have a comprehensive understanding of the intricate interconnections between various systems. Over the past 4 years, I’ve worked on numerous projects that demanded cross-platform expertise to ensure seamless functionality. Leveraging such knowledge would be pivotal in solving your Outlook account mismatch issue. My extensive experience includes working with not only active directories and Azure, but also with email systems and registry files – making fixing Outlook's identity mapping issues well within my comfort zone. My strong point remains my problem-solving approach where I pay keen attention to details but also consider the bigger picture. Moreover, my familiarity with remote work tools such as Teams and AnyDesk would ensure efficient collaboration while troubleshooting your issue. Given the chance, I am confident I can tackle this unintended mailbox switch efficiently, leaving you with a bulletproof summary that will prevent recurring episodes thus streamlining your emailing processes going forward. Should you have any question or concerns, do not hesitate to reach out. Let's promptly resolve your Outlook discrepancies so you can breathe easy!
$32 USD in 1 Tag
2,3
2,3

Hi, I can help with this task. Ready to start immediately.
$10 USD in 1 Tag
0,0
0,0

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Troubleshooting, Technical Support, Active Directory, Azure, Office 365, System Administration Lets connect in chat so that We discuss further. Thank You
$30 USD in 7 Tagen
0,0
0,0

Hello, I can help you quickly identify and resolve the Outlook mailbox mis-mapping issue and restore correct mailbox access for the affected user. I’ve handled similar cases where Office 365 updates exposed conflicts between on-prem AD attributes, Azure AD sync, and Outlook Autodiscover behavior. Given that OWA shows the correct mailbox, this strongly points to an Outlook-side identity resolution issue—typically related to cached profiles, Autodiscover records, incorrect mailbox GUIDs, or mismatched Azure AD / Exchange attributes after an update. My approach will be to: • Verify on-prem AD attributes (mail, proxyAddresses, msExchMailboxGUID) • Review Azure AD / Entra ID sync and user object mapping • Check licence and mailbox association in Exchange Online • Inspect Outlook Autodiscover responses and registry settings • Clean or rebuild Outlook profiles only if required (last step) I’m comfortable working via Teams or AnyDesk and can move straight into diagnostics to minimize downtime. The goal is a clean fix, not a workaround—so Outlook consistently opens the correct mailbox and remains stable after future updates. Once resolved, I’ll provide a clear summary of what was misaligned and what was corrected, so you can prevent a recurrence. Ready to schedule immediately and get this sorted. Best regards, Amaan Khan P. CUBEMOONS PVT LTD.
$28 USD in 7 Tagen
0,0
0,0

Hello Imad, I understand the critical nature of your Outlook mailbox mismatch issue following the Office 365 update. Your detailed description clearly points to a disruption in identity mapping, most likely involving on-prem Active Directory attributes, Azure AD/Entra ID synchronization, or Autodiscover configurations. With extensive experience in troubleshooting hybrid environments involving on-prem AD and Azure AD synchronization, Office 365 license administration, and Outlook profile management, I am well-equipped to diagnose and resolve this problem efficiently. I will methodically trace the cause—examining AD attributes, sync status, license assignments, Autodiscover DNS and registry settings, and Outlook profile parameters—to restore correct mailbox connectivity. I am comfortable working remotely via Teams or AnyDesk to perform live troubleshooting and implement registry or PowerShell adjustments as needed. Upon completion, I will provide a concise summary outlining the root cause and corrective actions to help prevent recurrence. I am available to commence work promptly within your budget and look forward to ensuring your user can access their mailbox seamlessly again. Best regards, Andrii
$28 USD in 2 Tagen
0,0
0,0

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