Exchange 2019 Has 4 posts

Can't add Exchange Server 2016/2019 server to a DAG Error:CreateCluster() failed with 0x42a

Can't add Exchange Server 2016/2019 server to a DAG Error:CreateCluster() failed with 0x42a

Can't add Exchange Server 2016/2019 server to a DAG Error:CreateCluster() failed with 0x42a If you got this error during adding the exchange server to a DAG member. There are some points you need to verify: - Verify the IPv6 option in the network adaptor. If there is somethi... Continue reading

Installing Cumulative Updates CU for Exchange Server 2013/2016/2019

Installing Cumulative Updates CU for Exchange Server 2013/2016/2019

Installing CU for Exchange Server 2013/2016/2019 PREPARATION TASKS Download the CU or Service Pack setup file from the Microsoft Download Center and extract it to a folder on each server.  Take a confirmed backup of Active Directory. Take a confirmed backup of you... Continue reading

Exchange 2019 Migration "There is Currently No Route to the Mailbox Database"

Exchange 2019 Migration "There is Currently No Route to the Mailbox Database"

Scenario: migrate Exchange 2013 to Exchange 2019 by setup co-existing Exchange 2013 and 2019. Issues: after migrate users to Exchange 2019 database, users cannot receive email from internal/external. Solutions: Restart all mailbox servers of exchange 2013 will fix this issues.... Continue reading

Exchange 2019 Cluster Node Quarantine

Exchange 2019 Cluster Node Quarantine

Force Exchange 2019 Cluster Node from Quarantine to Normal State By default, cluster node running on Windows Server 2019 enter to quarantine state when the node connectivity has an issue. The lock period is 7200 sec. (that will be 120 minutes). To force the node to normal... Continue reading