Last week I added a new vSphere host in my homelab, after I configured and started my backup job in the Backup & Replication 7.0 patch 4 environment I received this error messages:
Processing ‘DC01’ Error: Client error: NFC storage connection is unavailable. Storage: [stg:datastore-12,nfchost:host-10,conn:vce01.vmpros.local]. Storage display name: [ESX01_VMFS02].
Failed to create NFC download stream. NFC path: [nfc://conn:vce01.vmpros.local,nfchost:host-10,stg:[email protected]/DC01.vmx].
Solution
When you look at the Backup Job log file you can see the details, logfile location: C:\ProgramData\Veeam\Backup\VMpros_-_Backup_01
In my case Veeam Backup could resolve my VMware vCenter 5.5 server but when he try to contact the vSphere host with some local datastores the backup failed. I tried to ping the hosts and couldn’t resolve the hostname of my vSphere host.
Make sure you have:
– Added the vSphere host in DNS, create a A record in your DNS server
Optionally: Add the vSphere hostsname(s) and IP-address(es) in the hostfile at your Veeam Backup server
End result
More information: Veeam
Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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During the network configuration at the VMware Data Protection (VDP) appliance I received this warning message:
IP/DNS could not be resolved. Please check the hostname, domain, and DNS values for forward and reverse lookup validation
Troubleshoot:
VMware VDP whitepaper: Before you deploy vSphere Data Protection, an entry needs to be added to the DNS Server for the appliance IP address and FQDN. This DNS Server must support forward and reverse lookup. Failure to have DNS set up properly can cause many runtime or configuration issues.
As you can see, the nslookup failed:
Solution:
Add the domain and search domain in the /etc/resolv.conf file
And make sure you’ve created a correct PTR record at the DNS server for reverse DNS functionality, at the DNS server:
Select: Create associated pointer (PTR) record
More information: VMware
Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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Kan zijn, bijvoorbeeld vandaag in het geval van bij een klant, dat de Cisco VPN niet meer werkt met de melding “authentication failed”.
Na controle van de PIX alsmede de server blijkt dat op de server de Internet Authentication Service was gestopt.
Dit problem zal zich vaker kunnen voordoen omdat het ontstaat na een security update van Microsoft:
DNS security update 953230 (MS08-037) http://support.microsoft.com/kb/956189
Oplossing is een aanpassing in het register:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters
Daar de key ReservedPorts aanpassen door de poorten van IAS toe te voegen:
1645-1646
1812-1813
Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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