Delivery Manager Tool - Extraction - Fatal Error - TFS - The working folder A is already in use by the workspace

 This page outlines for the below mentioned error when you try to Package Source Code in DMT .

com.microsoft.tfs.core.exceptions.TECoreException:The working folder A:\ is already in use by the workspace xxxxxx;<UserName> on computer <HostName>.

at com.microsoft.tfs.core.exceptions.mappers.TECoreExceptionMapper.map(TECoreExceptionMapper.java:93)

at com.microsoft.tfs.core.exceptions.mappers.VersionControlExceptionMapper.map(VersionControlExceptionMapper.java:46)

at com.microsoft.tfs.core.clients.versioncontrol.VersionControlClient.createWorkspace(VersionControlClient.java:511)

at com.microsoft.tfs.core.clients.versioncontrol.VersionControlClient.createWorkspace(VersionControlClient.java:446)

at com.castsoftware.dmt.extractor.tfs.TFSExtractor.export(TFSExtractor.java:378)

at com.castsoftware.dmt.extractor.tfs.TFSExtractor.exportPath(TFSExtractor.java:312)

at com.castsoftware.dmt.extractor.tfs.TFSExtractor.exportPath(TFSExtractor.java:348)

at com.castsoftware.dmt.extractor.tfs.TFSExtractor.extract(TFSExtractor.java:273)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine.extractInternal(ExtractionEngine.java:639)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine.access$15(ExtractionEngine.java:620)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine$1.run(ExtractionEngine.java:614)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine$1.run(ExtractionEngine.java:1)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine.execute(ExtractionEngine.java:569)

at com.castsoftware.dmt.engine.extraction.ExtractionEngine.extract(ExtractionEngine.java:609)

at com.castsoftware.dmt.engine.extraction.cli.Extract.processDMTCommand(Extract.java:62)

at com.castsoftware.dmt.engine.cli.AbstractDeliveryEngineCommandLine.process(AbstractDeliveryEngineCommandLine.java:322)

at com.castsoftware.cli.CommandLineApplication$4.call(CommandLineApplication.java:1015)

at com.castsoftware.cli.CommandLineApplication$4.call(CommandLineApplication.java:1)

at com.castsoftware.util.logger.Logging

• Add a 'New Version' Source Code.
• For the 'Source Package', set the 'Server', 'Repository Path', 'Version' & 'Credentials' to login to 'TFS using WebService API'.
• Try to Package it, you get the Error as shown above.

This issue occurs when you add a 'New Version' Source Code in DMT, using the login to 'TFS-Team Foundation Server'.

For the 'Source Package', set the 'Server', 'Repository Path', 'Version' & 'Credentials' to login to 'TFS using WebService API'. When you try to Package it, you get the Error as shown above.

Note:  "A:\" drive is a floppy drive.

DMT searches for A:\" drive in your computer, when it does not find it will throw an error.

1. Map any external device which corresponds to the "A:\" drive to the analysis machine and try packaging it as a workaround
   Action To Perform to map "A:\" drive:-

1. 1. Insert any external USB hard drive or flash drive.
   2. To assign a static drive letter to an external USB drive open Computer Management (Go to RUN window> type "compmgmt.msc" and click Enter)
   3. In the tree on the left, select Disk Management under Storage. To change the drive letter for a USB external or flash drive, right-click on the drive in the list and select Change Drive Letter and Paths from the popup menu.
   4. The Change Drive Letter and Paths dialog box displays for the selected drive showing the current drive letter. To change the drive letter, click Change.
   5. On the Change Drive Letter or Path dialog box, select the "Assign the following drive letter option". Select the "A" drive letter and click OK button.
   6. The following warning displays "Some programs that rely on drive letters might not run correctly. Do you want to continue?" select Yes.
   7. The new drive letter displays next to the drive on the Computer Manager dialog box.

Impact of issue: Not able to package the source code successfully.

Impact after applying solution: Able to package the source code successfully.