Troubleshooting credential validation with instance management (NetBackup for SQL Server)

This topic describes the situations that may cause validation errors when you register SQL Server instances in the Applications utility.

Validation for an instance or an instance group can fail for the following reasons:

If the host name is invalid, the following message appears:

Status Code: 40 Could not validate credentials. Failed to connect 
to client: <client>.

If the host name is correct but you cannot connect to the host because the host is down, the following message appears:
```
Status code: 46 The validation operation timed out waiting for a 
response from the client
```
If the host name is correct, but user name or password is invalid, the following message appears:
```
Status Code: 41 Validation of operating system user/password 
failed for client: <client>.
```

If the credentials do not have the "sysadmin" role, the validation fails.

STATUS 1939: The specified user does not have SQL Server 
System Administrator privileges.