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Stuck at "Installing veeam agent for Microsoft Windows"

  • April 27, 2025
  • 11 comments
  • 383 views
M

I just setup a new Windows 2025 Standard server and tried to install VeeamAgentWindows_6.3.1.1074. Unfortunately after accepting EULA the installation starts, shows “migrating previous configuration” (which is a little bit strange, since this is a new Windows machine) and is then stuck at "Installing Veeam agent for Microsoft Windows". 

 

C:\ProgramData\Veeam\Endpoint\DatabaseMigrationLog shows: 

[27.04.2025 22:25:03] <01> Info     [Migration] SQL CONFIGURATION PARAMETERS:
[27.04.2025 22:25:03] <01> Info     [Migration] > Server=(local)
[27.04.2025 22:25:03] <01> Info     [Migration] > ServerInstanceName=VeeamEndPoint
[27.04.2025 22:25:03] <01> Info     [Migration] > ServerInstancePipeName=
[27.04.2025 22:25:03] <01> Info     [Migration] > ServerInstancePort=-1
[27.04.2025 22:25:03] <01> Info     [Migration] > DatabaseName=VeeamBackup
[27.04.2025 22:25:03] <01> Info     [Migration] > User=current
[27.04.2025 22:25:03] <01> Info     [Migration] > Password=
[27.04.2025 22:25:03] <01> Info     [Migration] > ConnectionRetryCount=11
[27.04.2025 22:25:03] <01> Info     [Migration] > ConnectionRetryTimeout=20
[27.04.2025 22:25:03] <01> Info     [Migration] > ConnectionTimeout=120
[27.04.2025 22:25:03] <01> Info     [Migration] > StatementTimeout=180
[27.04.2025 22:25:03] <01> Info     [Migration] > EnableLog=True
[27.04.2025 22:25:03] <01> Info     [Migration] > EnableExtendedLog=False
[27.04.2025 22:25:03] <01> Info     [Migration] > LoggerOptions=Message, Warning, Error
[27.04.2025 22:25:03] <01> Info     [Options] The following options are loaded from the registry:
[27.04.2025 22:25:03] <01> Info         LogDirectory: "C:\ProgramData\Veeam\Endpoint"
[27.04.2025 22:25:03] <01> Info     [Options]

 

 

Last line looks like it was cut off?

Any ideas on how to fix this issue?

 

 

 

Best answer by MariaMiller

I think I found the issue. And it is not really related to Veeam. 

 

Even though this is a brand new install, it struggles to install a Windows Update.

That Windows Update is an update for Microsoft Visual C++. It gets stuck. I can manually download that KB, the installation still gets stuck. I can reset Windows Update, dism, scf, nothing changes. I can also try to uninstall C++, but guess what? That uninstall also gets stuck 😀 Arrghh Windows…

 

So when I try to install Veeam, it tries to install some Visual C++ stuff and also gets stuck. 

 

 

11 comments

Chris.Childerhose
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  • Chris.Childerhose
  • Veeam Legend, Veeam Vanguard
  • 9587 comments
  • April 27, 2025

Not sure on this one as the log entries don't say much.  Might be best to contact support for this one as Windows 2025 is supported.

Chris Childerhose - VMCA2024 | VMCE2023 | VMCE-SP2024 | Veeam Vanguard 8* | Veeam Legend 5* | VUG Canada Leader | vExpert 6* | Toronto VMUG Leader | VCAP-DCV/VCP-DCV | Object First Ace | Cisco Champion | Twitter: @cchilderhose | Blog Site – https://just-virtualization.tech
Marcel.K
Forum|alt.badge.img+9
  • Marcel.K
  • Veeam Legend
  • 297 comments
  • April 28, 2025

maybe you have created VM form template, where was veeam preinstalled?

Marcel Kačmár | VCSP Partner 2022 | VMCE 2024 | VMCA 2024 | Veeam Legend 2025 |
M
  • MariaMiller
  • Author
  • Not a newbie anymore
  • 6 comments
  • April 28, 2025

It is a bare metal and fresh install. 

Even after deleting the programfiles folder and checking AppData, “migration” pops up for a split second. Maybe this is just a placeholder and has nothing to do with it.

Marcel.K
Forum|alt.badge.img+9
  • Marcel.K
  • Veeam Legend
  • 297 comments
  • April 28, 2025

i would suggest to check, if some services are installed, uninstall them and find directories and delete them, reboot server and try again

Marcel Kačmár | VCSP Partner 2022 | VMCE 2024 | VMCA 2024 | Veeam Legend 2025 |
M
  • MariaMiller
  • Author
  • Not a newbie anymore
  • 6 comments
  • April 28, 2025

Already did that, but no luck. 

 

Thanks anyways, I opened up a ticket.

coolsport00
Forum|alt.badge.img+21
  • coolsport00
  • Veeam Legend
  • 4903 comments
  • April 28, 2025

Hmm...curious on this one. If possible, please share what Support finds.

Thanks ​@MariaMiller 

Shane Williford - Veeam VMCA/VMCE | Veeam Legend | VUG Leader | VCP-DCV | Twitter: @coolsport00
M
  • MariaMiller
  • Author
  • Not a newbie anymore
  • 6 comments
  • Answer
  • April 29, 2025

I think I found the issue. And it is not really related to Veeam. 

 

Even though this is a brand new install, it struggles to install a Windows Update.

That Windows Update is an update for Microsoft Visual C++. It gets stuck. I can manually download that KB, the installation still gets stuck. I can reset Windows Update, dism, scf, nothing changes. I can also try to uninstall C++, but guess what? That uninstall also gets stuck 😀 Arrghh Windows…

 

So when I try to install Veeam, it tries to install some Visual C++ stuff and also gets stuck. 

 

 

Chris.Childerhose
Forum|alt.badge.img+21
  • Chris.Childerhose
  • Veeam Legend, Veeam Vanguard
  • 9587 comments
  • April 29, 2025

Glad you found an answer but still not installed though.  😞

Chris Childerhose - VMCA2024 | VMCE2023 | VMCE-SP2024 | Veeam Vanguard 8* | Veeam Legend 5* | VUG Canada Leader | vExpert 6* | Toronto VMUG Leader | VCAP-DCV/VCP-DCV | Object First Ace | Cisco Champion | Twitter: @cchilderhose | Blog Site – https://just-virtualization.tech
coolsport00
Forum|alt.badge.img+21
  • coolsport00
  • Veeam Legend
  • 4903 comments
  • April 29, 2025

Thanks for sharing the issue ​@MariaMiller 

Shane Williford - Veeam VMCA/VMCE | Veeam Legend | VUG Leader | VCP-DCV | Twitter: @coolsport00
P
  • paoloBergese
  • New Here
  • 1 comment
  • June 6, 2025

​@MariaMiller how did you solve it?

M
  • MariaMiller
  • Author
  • Not a newbie anymore
  • 6 comments
  • June 10, 2025

​@MariaMiller how did you solve it?

Reinstalled Windows Server 2025 completely


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