Failed and Suspended-Reseeding Mailbox Database in DAG Exchange 2010

When mailbox database copy failed in exchange 2010 DAG

it is necessary to reseed the mailbox server with failed copy

Open EMC and if your able to see failed database copy

Then first we need suspend the replication for the failed database copy

Use the following command to suspend replication

Step1:-Suspend-mailboxdatabaseCopy –identity “Sal it\seqmbx01”

After executing the above command ask for confirmation click Y for yes

Step2:-After executing the above command failed mailboxdatabase will change to ‘failed and suspended”

as shown in below snap

Step3:-Re seed the database now by executing the below command as below and also shown below snap  

Update-MailboxDatabaseCopy -Identity "Sal it\Seqmbx01" -DeleteExistingFiles

Now it will begin the process and depending the database size it will take some time to complete the process after completing this process active mailbox database will be mounted and passive copy will be Healthy 

Enable OWA from powershell

MapiExceptionNotFound error while moving the mailbox

Error: MapiExceptionNotFound: Unable to synchronize manifest. (hr=0x8004010f, ec=-2147221233)

Diagnostic context:

    Lid: 55847   EMSMDBPOOL.EcPoolSessionDoRpc called [length=239]

    Lid: 43559   EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=503][latency=15]

This error will appear due to mailbox corruption to eliminate the above error need repair the mailbox 

execute the following shell command then clear the move request and initiate again move request  

New-MailboxRepairRequest -Mailbox userID -CorruptionType SearchFolder, AggregateCounts, ProvisionedFolder, FolderView

Members can't remove themselves from security groups. Please set the group to Closed for requests to leave

Members can't remove themselves from security groups. Please set the group to Closed for requests to leave

Answer:-if you try to modify the group membership or if you want to change any specific on particular distribution group the above error will appear.

In my case I have universal distribution group the user want to restrict that group for internal communication for this we need to enable ‘internal authentication required’ option in mailflow settings in group properties when I click this option getting error

“Members can’t remove themselves from security groups, please set the group to closed for requests to leave”

Execute the below shell command the above error disappears and then you can modify the group settings

Set-Distributiongroup –identity <DistributionGroupName> –MemberDepartRestriction Closed