Exchange 2010 (SBS 2011) not functioning (some services stuck in starting mode)

Problem: After some sort of update, Exchange services stuck in starting and won’t start. Error messages include “Unexpected error Logon failure: unknown user name or bad password. Facility: LDAP Provider ID no: 8007052e Microsoft Exchange System Attendant occurred.” Solution: (h/t Continue reading Exchange 2010 (SBS 2011) not functioning (some services stuck in starting mode)

Message “You can’t access this shared folder because your organization’s security policies block anauthenticated guest access”

Problem: You get the message Message “You can’t access this shared folder because your organization’s security policies block unauthenticated guest access”. This can happen to both domain users and Azure AD logins (eg Office 365). Solution: (h/t Aruna Lakmal) Follow Continue reading Message “You can’t access this shared folder because your organization’s security policies block anauthenticated guest access”

Dealing with a compromised Office 365 account

Problem: Your Office 365 account has been compromised. Please check the original for any updates. Solution: The solution is straight from MS (https://blogs.technet.microsoft.com/office365security/how-to-fix-a-compromised-hacked-microsoft-office-365-account/) One of the most common security support requests we receive from our Office 365 customers is for Continue reading Dealing with a compromised Office 365 account

Throttling The Quantity of Emails Flowing Out of Exchange 2013

Problem: Client gets blacklisted every time they do a mail merge and send out more than x amount of emails at time. Solution: Creating a new throttling policy for a single user: New-ThrottlingPolicy -Name LimitMessagesSent -RecipientRateLimit 30 -MessageRateLimit 1 LimitMessagesSent Continue reading Throttling The Quantity of Emails Flowing Out of Exchange 2013