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Cytage
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Full Name: Ömer Sen
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Problem with Veeam Backup Replication and our DC

Post by Cytage »

Case ID: 06415946
Hello Veeam Community,

I have the following problem I have been trying to get Veeam Backup & Replication 12 Community Edition to run for a week. Background we have 5 VM machines and I can't get the DC to backup. It aborts after 24 hours with the error message "14.11.2023 14:31:09 :: Processing DC01 Error: VSSControl: Failed to prepare guest for freeze, wait timeout 88081 sec ". Unfortunately, our DC is very large in the past when I was not yet there, an IT company had an SQL server on the DC and used it as a file server, so it is also 1.3 TB in size.

Can you help me?
tyler.jurgens
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Re: Problem with Veeam Backup Replication and our DC

Post by tyler.jurgens »

Sounds like your VSS writers are not able to quiesce the services to allow a backup. You can check into vssadmin commands and see if you have any hung vsswriters (or reboot your VM).

Start digging into that to see what may be causing the VSS writers to engage. You could always turn off application-aware processing (but that's not going to give you anything more than a crash-consistent backup) to at least have something backed up while you troubleshoot the VSS writers issue.
Tyler Jurgens
Veeam Legend x3 | vExpert ** | VMCE | VCP 2020 | Tanzu Vanguard | VUG Canada Leader | VMUG Calgary Leader
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Mildur
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Re: Problem with Veeam Backup Replication and our DC

Post by Mildur »

Hello Ömer

Thank you for the case number. Contacting our support team is the correct way to solve a technical issue.
You may check the VSS and MSSQL logs of your DC server. I assume, VSS takes a long time with the MSSQL server.
https://www.veeam.com/kb1789 --> Collecting guest processing logs
https://www.veeam.com/kb2041 --> Basic VSS troubleshooting

Please continue with our customer support team to find a solution to the issue. We cannot provide effective troubleshooting assistance over this forum.
Unfortunately, our DC is very large in the past when I was not yet there, an IT company had an SQL server on the DC and used it as a file server, so it is also 1.3 TB in size.
You may want to consider splitting the File server and SQL server from the DC server. It's bad practice to run additional applications on the DC controller.
MSSQL recommendations:
https://learn.microsoft.com/en-us/sql/s ... Install_DC

Best,
Fabian
Product Management Analyst @ Veeam Software
Cytage
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Re: Problem with Veeam Backup Replication and our DC

Post by Cytage »

https://file.io/aEUMfXw0rXLW These are the logs from the DC

I am now looking at the VSS

Code: Select all

Verfassername: "Task Scheduler Writer"
   Verfasserkennung: {d61d61c8-d73a-4eee-8cdd-f6f9786b7124}
   Verfasserinstanzkennung: {1bddd48e-5052-49db-9b07-b96f96727e6b}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "VSS Metadata Store Writer"
   Verfasserkennung: {75dfb225-e2e4-4d39-9ac9-ffaff65ddf06}
   Verfasserinstanzkennung: {088e7a7d-09a8-4cc6-a609-ad90e75ddc93}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "Performance Counters Writer"
   Verfasserkennung: {0bada1de-01a9-4625-8278-69e735f39dd2}
   Verfasserinstanzkennung: {f0086dda-9efc-47c5-8eb6-a944c3d09381}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "System Writer"
   Verfasserkennung: {e8132975-6f93-4464-a53e-1050253ae220}
   Verfasserinstanzkennung: {4ad79723-a6b1-4e50-8857-91f64bc6587d}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "Shadow Copy Optimization Writer"
   Verfasserkennung: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
   Verfasserinstanzkennung: {2c7bff3d-18df-42b3-9690-4e21918cd9d0}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "SqlServerWriter"
   Verfasserkennung: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
   Verfasserinstanzkennung: {7eddc585-d3e4-42ff-b488-0eb0cd148b19}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "ASR Writer"
   Verfasserkennung: {be000cbe-11fe-4426-9c58-531aa6355fc4}
   Verfasserinstanzkennung: {e035abc1-047f-4fd3-99e8-ced9e34c0e5f}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "COM+ REGDB Writer"
   Verfasserkennung: {542da469-d3e1-473c-9f4f-7847f01fc64f}
   Verfasserinstanzkennung: {dbb4e8d2-b567-45cb-ac1a-19c142ebb0e5}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "WMI Writer"
   Verfasserkennung: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}
   Verfasserinstanzkennung: {ead7ace4-84dd-4c18-94d4-fd06a2eba820}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "Registry Writer"
   Verfasserkennung: {afbab4a2-367d-4d15-a586-71dbb18f8485}
   Verfasserinstanzkennung: {63137d45-0756-4e8e-9263-ca3b4a8a6684}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "Dhcp Jet Writer"
   Verfasserkennung: {be9ac81e-3619-421f-920f-4c6fea9e93ad}
   Verfasserinstanzkennung: {8ab138d7-60d2-4c40-8694-b352c4434549}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "NTDS"
   Verfasserkennung: {b2014c9e-8711-4c5c-a5a9-3cf384484757}
   Verfasserinstanzkennung: {842c3276-5d17-430f-b6c7-5918c766f53d}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "IIS Config Writer"
   Verfasserkennung: {2a40fd15-dfca-4aa8-a654-1f8c654603f6}
   Verfasserinstanzkennung: {a74ebfa3-d315-4db2-a257-e5f0739ca300}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "WINS Jet Writer"
   Verfasserkennung: {f08c1483-8407-4a26-8c26-6c267a629741}
   Verfasserinstanzkennung: {0e7972cf-d841-4f01-b6c8-89f6a3d8bf8a}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "IIS Metabase Writer"
   Verfasserkennung: {59b1f0cf-90ef-465f-9609-6ca8b2938366}
   Verfasserinstanzkennung: {cd499e78-a741-4fbc-bf20-7b8545c6334f}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "DFS Replication service writer"
   Verfasserkennung: {2707761b-2324-473d-88eb-eb007a359533}
   Verfasserinstanzkennung: {aa1862eb-9c4e-4c5e-baab-16cc5d2edb28}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "MSMQ Writer (MSMQ)"
   Verfasserkennung: {7e47b561-971a-46e6-96b9-696eeaa53b2a}
   Verfasserinstanzkennung: {4d0268db-4910-4dbc-bbb4-7600cb824485}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler

Verfassername: "TermServLicensing"
   Verfasserkennung: {5382579c-98df-47a7-ac6c-98a6d7106e09}
   Verfasserinstanzkennung: {1b892f0d-a640-42be-b032-0932ebb2b284}
   Status: [1] Stabil
   Letzter Fehler: Kein Fehler
Mildur
Product Manager
Posts: 9353
Liked: 2486 times
Joined: May 13, 2017 4:51 pm
Full Name: Fabian K.
Location: Switzerland
Contact:

Re: Problem with Veeam Backup Replication and our DC

Post by Mildur »

Hi Ömer

The logs must be provided through the support case. We do not offer log file troubleshooting over this forum.
Please ckeck out our forum rules again for posting technical issues:
veeam-backup-replication-f2/rules-of-po ... -t755.html

Best,
Fabian
Product Management Analyst @ Veeam Software
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