Possible slowdown of mailbox backup when VSAPI plugin is used
When using a backup software on Exchange server with the AVG VSAPI plugin, slowdown may appear. This is caused by Exchange calling anti-virus scanner to scan files as they are being accessed by the backup software.
To prevent such "conflict", you need to disable anti-virus within Exchange for the time of backup and enable it when backup is finished.
It is possible to do so manually using AVG User interface (by disabling the EMS (VSAPI) component). However some applications (e.g. Veritas Backup Exec software) allows user to specify pre and post backup scripts. These scripts can disable/enable the VSAPI plugin automatically when executed.
Below, you can find simple VBS scripts and the same scripts compiled to EXE format as Veritas Backup Exec does not support VBS scripts. They are valid for all Exchange versions and both 32 and 64 bit platforms:
After succesful download, extract the scripts from the ZIP archive and in settings of the backup software, specify them as pre-backup and post-backup scripts to be used.
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