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Exchange 2016 – Error 500 when running Hybrid wizard

November 21, 2019 · by dave.webb · in Exchange 2016, Office 365, Troubleshooting

While trying to run the Hybrid wizard in Exchange 2016 (the link at the bottom left of the Exchange Admin Centre) I get a HTTP 500 error after logging in with my Office 365 credentials: It may be just coincidence…

Step 10 of 17

Exchange 2016 – error 5506 when installing cumulative update

November 21, 2019 · by dave.webb · in Exchange 2016, Installation, Troubleshooting

While installing Cumulative Update 14 (CU14) on one of my Exchange 2016 servers it failed at step 10 (Mailbox role: Transport service) with the following error: An unexpected error occurred while modifying the forms authentication settings for path /LM/W3SVC/1.  The…

Exchange Server 2016 CU readiness checks error

November 20, 2019 · by dave.webb · in Exchange 2016, Installation, Troubleshooting

I have downloaded the latest cumulative update (CU14) for Exchange Server 2016 and while running the setup (elevated) I receive several errors in the readiness checks.  These include: The mailbox server role isn’t installed on this computer and various others about…

Outlook error – The Delegates settings were not saved correctly

March 5, 2019 · by dave.webb · in Exchange 2010, Troubleshooting

I have given some users permission to access a shared mailbox in Exchange, however when updating permissions on the Delegate Access page in Outlook the following error message was presented: The Delegates settings were not saved correctly.  Cannot activate send-on-behalf-of…

Exchange 2010 - The user has insufficient access rights when deleting a mailbox

Exchange 2010 – The user has insufficient access rights when deleting a mailbox

January 3, 2019 · by dave.webb · in Exchange 2010, Troubleshooting

While attempting to remove an old user mailbox from an Exchange 2010 environment (using the EMC) I encountered an access denied error: Error: Active Directory operation failed on <domain controller>.  this error is not retriable.  Additional information: Access is denied….

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