Hi All.
I faced with well knows and popular issue with Exchange server. I have Exchange organization, which consist from 4 server. 2 located in one datacenter(exch1, exch2) and 2 located in another datacenter(exch3, exch4). One of the server - Exch3 store the only copy of some database and users only of this server has following problem:
1. When you send email from OWA - it goes to 'Draft' folder and stuck there.
2. When you send email from Outlook - it goes to 'Send item' folder, but don't deliver to recipients
3. Periodically every 1-2-3 hours - mail flow start to work and all stuck emails - deliver to recipients. But this works only for 10-15 minutes and after - all the same.
I've tried:
1. Change DNS settings via ECP and powershell like described here:
http://thoughtsofanidlemind.com/2013/03/25/exchange-2013-dns-stuck-messages/
So now i see this in powershell:
[PS] C:\Windows\system32>Get-NetAdapter|fl *InterfaceGuid*
InterfaceGuid : {57BB352D-ADC7-4DFF-B130-D69E20B07BAD}
[PS] C:\Windows\system32>Get-TransportService -Identity exch3|fl *dns*
ExternalDNSAdapterEnabled : True
ExternalDNSAdapterGuid : 57bb352d-adc7-4dff-b130-d69e20b07bad
ExternalDNSProtocolOption : Any
ExternalDNSServers : {192.168.20.181, 192.168.50.100}
InternalDNSAdapterEnabled : True
InternalDNSAdapterGuid : 57bb352d-adc7-4dff-b130-d69e20b07bad
InternalDNSProtocolOption : Any
InternalDNSServers : {192.168.50.100, 192.168.20.181}
DnsLogMaxAge : 7.00:00:00
DnsLogMaxDirectorySize : 100 MB (104,857,600 bytes)
DnsLogMaxFileSize : 10 MB (10,485,760 bytes)
DnsLogPath :
DnsLogEnabled : False
2. I have enough space on each disk, so 'Back pressure' shouldn't affect on my server. Anyway i tried to disable in edge config file - the same, issue persist.
3. Tried to add records to host file for this server - issue persist.
4. Tried to reboot services, server.
5. Tried to recreate mail queue file - issue persist.
6. Tried to add google DNS as forward servers to my integrated DNS server - the same.
Any other suggestions?
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