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Call execution timeout (100000ms)

KB ID: 1176
Product: Veeam Backup & Replication
Version: 5.x - 9.x
Published: 2011-08-24
Last Modified: 2020-08-13
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Challenge

Certain operations over SSH time out after 100 seconds. The following error message is present, either in the job statistics or the debug logs:
 
Call execution timeout (100000 ms) (Veeam.Backup.SSH.PerlSoapException)

Cause

This error may occur when communicating with a Linux or Exagrid repository server, with an ESX host configured for SSH communication (not applicable to ESXi), or any other server on which Veeam Backup & Replication deploys a temporary, Perl-based process.

Veeam Backup & Replication implements timeouts to protect from application hangs. This timeout may indicate that the temporary application has become unresponsive, or it may indicate a performance problem with the specific operation that was in progress when the timeout occurred.

Solution

Depending on the situation, it may be necessary to troubleshoot an unresponsive server, troubleshoot a performance issue, or extend the timeout.

When the error refers to an SSH connection to a repository, the most common resolution is to reboot either the repository server, or the storage device (such as a NAS mounted via NFS) connected to that repository server. A repeated need to reboot to work around this error may indicate insufficient resources allocated to the repository server.

To extend the timeout, create the following registry value on the Veeam Backup & Replication server:

Key: HKLM\SOFTWARE\Veeam\Veeam Backup and Replication\
DWORD: MaxPerlSoapOperationTimeout
Value (DEC): 600000

Make sure no jobs or restores are running, then restart the Veeam Backup Service to apply this change.

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