Symptoms

When attempting to do BMR (Bare Metal Restore) of a Windows Server, the following error occurs: Server Configuration ErrorError trying to validate Avamar server credentials:Validation error. cannot establish connection with server (possible network or DNS failure) (536870920)

Cause

This error occurs if there is an issue with any of the values entered on the screen.To troubleshoot which value is not correct, generate a logfile. Click on "Options..."Under "Additional Options:" add the following line: --logfile=ValidationError.txt Click OKClick Next... the error appears and a log file is generated.Behind the Wizard, there is a Command Window. In the Command Window, type notepad and hit enter.Click on File > Open and double-click on "ValidationError".

Resolution

In the log file, one of the following errors is seen: avtar Info : No connections availableavtar FATAL : Fatal server connection problem, aborting initialization. Verify correct server address and login credentials.avtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 8604avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure)) This indicates that the value entered for "Avamar Server" is incorrect or the server cannot be reached.-----avtar Error : Login error 66: User not found in Avamar databaseavtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 5126avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))This indicates that the value entered for "Avamar User Name" is incorrectOr that the user name entered is not in the domain entered for "Avamar Domain"If the user is in the "root" domain, enter / for "Avamar Domain"If the user is in a subdomain, enter it like the following:Note that "Avamar Domain" refers to the domain of the user entered in "Avamar User Name", not the domain of the client machine entered in "Avamar Account"!-----avtar Error : Specified account (Windows/TestServer) does not fall within the current authorization domain (test).avtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 5003avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))This indicates that the domain "/test" does not exist.-----avtar Error : Login error 69: Authentication failure (Invalid password? User disabled?)avtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 5126avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))This indicates that the password entered for "Avamar Password" is not correct.-----avtar Error : Login error 74: Account not found in the Avamar databaseavtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 5126avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))This indicates that the client name entered in "Avamar Account" is not correct.Note that client names and domains are case sensitive. You must enter them exactly as shown in the Avamar GUI console..."/Windows/WrongServerName" is not the same as "/windows/wrongservername"!-----avtar Info : Avamar Server login successful[avtar] ERROR: servercontext::getdcindexmap INDEX_DATACENTER_MAP command returned MSG_ERR_PRIV_FAILavtar FATAL : Failed to initiate session with serveravtar Info : Error summary: 2 errors: 5308, 1avtar Info : Command failed (2 errors, exit code 10008: cannot establish connection with server (possible network or DNS failure))This indicates that the server log in was successful, but that the specified user does not have the correct privileges to do BMR. See the following KB to apply the correct privileges: KB 478595: "Error trying to validate Avamar server credentials" when attempting a BMR as a "Restore Only" or "Back up/Restore" Operator/User

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