Error when replicating VMs using VEEAM, how to fix?

Question

PHP

When replicating powered-on VMs, the error
Failed to create snapshot (Microsoft Software Shadow Copy provider 1.0) (mode: Veeam application-aware processing) Details: Failed to prepare guests for volume snapshot.
Error: Failed to prepare guests for volume snapshot
Two hosts with Windows Server 2012,
Veeam is spinning on a VM with Windows Server 2008.
I want to set up VM replication on the hosts, but it turns out that when the VM is turned off, replication goes on.
How to find out what is causing the error?

Answer 1

<input type="email" />
I did this:

if(!preg_match('/^([a-zA-Z0-9а-яА-ЯёЁ_\-.]+\@[a-zA-Z0-9а-яА-ЯёЁ_\-.]+)$/ui', $email))
{
    //error
}

Answer 2

1. learn regular expressions on another example, because you can’t write
a regular expression for checking an email address according to this site, it looks something like this, at least:
although there is an opinion that according to the specification it looks like this .
but most agree that the correct expression for checking email is:
and all because, in fact, your check does not give anything. generally. no one needs it and the only way to check if there is such a box is to send an email with a confirmation code.
2. '/[^(\w)|(\@)|(\.)|(\-)]/' - you write nonsense,
learn the syntax properly, at the office. php site it is well described and in Russian

Answer 3

Something with VSS, probably. Can you log?