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public:version_8:obc:windows:faq:8065_troubleshooting_backup_problem_with_inaccessible_network_drive [2019/10/02 12:59] (current)
edward.chan created
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 +=====  FAQ: Troubleshooting backup problem with inaccessible network drive  =====
  
 +<​html>​
 + <​b>​
 +  Article ID</​b>:​ 8065
 + <​br>​
 + <​b>​
 +  Reviewed</​b>:​ 26/09/2019
 + <​br>​
 + <​br>​
 + <​b>​
 +  Product Version</​b>: ​
 + <​br>​
 + ​AhsayACB / AhsayOBM: 8.1 or above
 + <​br>​
 + OS: Windows
 +</​html>​
 +
 +
 +===== Description =====
 +<​html>​
 +When performing backup for a mapped network drive, the following warning message is displayed:
 +<br>
 +
 + <​table border="​0"​ cellpadding="​0"​ cellspacing="​0"​ width="​850">​
 +  <tr>
 +   <​td bgcolor="#​E8E8E8"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-TOP: #​C0C0C0 ​ 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    No.
 +   </​td>​
 +   <​td bgcolor="#​E8E8E8"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-TOP: #​C0C0C0 ​ 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    Type
 +   </​td>​
 +   <​td bgcolor="#​E8E8E8"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-TOP: #​C0C0C0 ​ 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    Timestamp
 +   </​td>​
 +   <​td bgcolor="#​E8E8E8"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-TOP: #C0C0C0 1px solid; BORDER-RIGHT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    Log
 +   </​td>​
 +  </tr>
 +  <tr>
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    *
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    ...
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    ...
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-RIGHT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    ...
 +   </​td>​
 +  </tr>
 +  <tr>
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    *
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +     <​font color=#​0040FF>​warn</​font>​
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +     <​font color=#​0040FF>​YYYY/​MM/​DD
 +     ​hh:​mm:​ss</​font>​
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-RIGHT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +   <​font color=#​0040FF>​Backup source "​\\server\share"​ does not exist !</​font>​
 +   </​td>​
 +  </​tr>  ​
 +  <tr>
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    *
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +     <​font color=#​0040FF>​warn</​font>​
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +     <​font color=#​0040FF>​YYYY/​MM/​DD
 +     ​hh:​mm:​ss</​font>​
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-RIGHT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +   <​font color=#​0040FF>​Skip backing up "​\\server\share\file"​ (network drive is not accessible)</​font>​
 +   </​td>​
 +  </tr>
 +  <tr>
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    *
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    ...
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​top">​
 +    ...
 +   </​td>​
 +   <​td bgcolor="#​ffffff"​ style="​BORDER-LEFT:​ #C0C0C0 1px solid; BORDER-RIGHT:​ #C0C0C0 1px solid; BORDER-BOTTOM:​ #C0C0C0 1px solid" valign="​middle">​
 +    ...
 +   </​td>​
 +  </tr>
 + </​table>​
 +
 +
 +The message suggests that the corresponding network drive cannot be accessed by the backup process. &​nbsp;​Please refer to the following guideline on how to troubleshoot on the warning.
 +</​html>​
 +
 +
 +
 +===== Steps =====
 +<​html>​
 +The following are some steps to follow for troubleshooting errors related to Volume Shadow Copy (these steps may vary depending on the operating system):
 + <​br>​
 + <​ul>​
 + 
 +  ​
 +  <​li><​font color=black>​
 +   <​u>​
 +   ​Network drive accessibility ​
 +   </​u>​
 +   <​br>​
 +   Have you tried accessing the mapped drive recently?
 +   <​br>​
 +   <​br>​
 +   Try to access the mapped drive and then add / delete a file in the drive to confirm if the mapped drive is in fact accessible.
 +   <​br>​
 +   <​br>​
 +   <​img style="​width:​60%;​ border:thin solid black" src="​http://​wiki.ahsay.com/​lib/​exe/​fetch.php?​media=public:​8065_1.png"/><​br><​br>​
 +
 +  </​font></​li>​
 +  <br>
 +  ​
 +  ​
 +  <​li><​font color=black>​
 +   <​u>​
 +   File sharing permission ​
 +   </​u>​
 +   <​br>​
 +   Did you change the file sharing permission setting recently?
 +   <​br>​
 +   <​br>​
 +   <​ul>​
 +    <​li><​font color=black>​Right click on the corresponding shared folder.</​font></​li><​br>​
 +    ​
 +    ​
 +    <​li><​font color=black>​Click on the <​b>​Share...</​b>​ button.<​br><​br>​
 +    ​
 +    <img style="​width:​25%;​ border:thin solid black" src="​http://​wiki.ahsay.com/​lib/​exe/​fetch.php?​media=public:​8065_3.png"/><​br><​br>​
 +    </​font></​li>​
 +    ​
 +    <​li><​font color=black>​Check if the file sharing permission setting is correct.<​br><​br>​
 +    ​
 +    <img style="​width:​40%;​ border:thin solid black" src="​http://​wiki.ahsay.com/​lib/​exe/​fetch.php?​media=public:​8065_4.png"/><​br><​br>​
 +    </​font></​li>​
 +   </​ul> ​
 +   <​br>​
 +  </​font></​li>​
 +
 +    ​
 +  ​
 +  <​li><​font color=black>​
 +   <​u>​
 +   User Account Control (UAC) setting
 +   </​u>​
 +   <​br>​
 +   Is the <​b>​User Account Control: Behaviour of the elevation prompt for administrators in Admin Approval Mode policy</​b>​ setting is configured to <​b>​Prompt for credentials</​b>?<​br><​br>​
 +   
 +  ​
 +   <​ul>​
 +    <​li><​font color=black>​Open the Local Group Policy Editor (gpedit.msc).</​font></​li><​br>​
 +    ​
 +    ​
 +    <​li><​font color=black>​Check under Computer Configure > Windows Settings > Security Settings > Local Policies > Security Option:<​br><​br>​
 +    ​
 +    <img style="​width:​65%;​ border:thin solid black" src="​http://​wiki.ahsay.com/​lib/​exe/​fetch.php?​media=public:​8065_5.png"/><​br><​br>​
 +    </​font></​li>​
 +    ​
 +    <​li><​font color=black>​If the setting is configured to <​b>​Prompt for credentials</​b>,​ refer to the following article from Microsoft for workaround:<​br><​br>​
 +    ​
 +    <a href="​https://​support.microsoft.com/​en-hk/​help/​3035277/​mapped-drives-are-not-available-from-an-elevated-prompt-when-uac-is-co">​https://​support.microsoft.com/​en-hk/​help/​3035277/​mapped-drives-are-not-available-from-an-elevated-prompt-when-uac-is-co</​a><​br><​br>​
 +    </​font></​li><​br>​
 +   </​ul> ​
 +
 +   
 +  </​font></​li>​
 +
 +    ​
 +  ​
 +  ​
 +  ​
 +  <​li><​font color=black>​
 +   <​u>​
 +    Re-map the network drive
 +   </​u>​
 +   <​br>​
 +   ​Ensure that the network drive was correctly mapped, try re-mapping the network drive:
 +   <​br>​
 +   <​br>​
 +   <​ul>​
 +    <​li><​font color=black>​
 +     Right click on the command prompt icon, select <​b>​Run as administrator</​b>​.
 +   <​br>​
 +   <​br>​
 +   <​img style="​width:​70%;​ border:thin solid black" src="​http://​wiki.ahsay.com/​lib/​exe/​fetch.php?​media=public:​8065_2.png"/><​br><​br>​
 +    </​font></​li>​
 +    ​
 +    <​li><​font color=black>​
 +     Enter the following command:
 +     <​br><​br>​
 +        ​
 +    <table border="​0"​ cellpadding="​0"​ cellspacing="​0"​ width="​600">​
 +    <tr>
 +     <​td style="​BACKGROUND-COLOR:​ black">​
 +      <font size=2 color=white>​ >net use e: \\server\share_name /​user:​username password</​font>​
 +     </​td>​
 +    </tr>
 +   </​table> ​
 +
 +    <a href="​https://​docs.microsoft.com/​en-us/​previous-versions/​windows/​it-pro/​windows-server-2012-r2-and-2012/​gg651155(v%3Dws.11)">​Click Here</​a>​ for syntax of the net use command.
 +   <​br>​
 +   <​br>​
 +   <​br>​
 +    </​font></​li> ​     ​
 +   </​ul>​
 +
 +
 +</ul>
 +</​html>​
 +
 +
 +===== Keywords =====
 +network, drive, map, mapped, share, shared, accessible, inaccessible ​
public/version_8/obc/windows/faq/8065_troubleshooting_backup_problem_with_inaccessible_network_drive.txt · Last modified: 2019/10/02 12:59 by edward.chan