Coherence mode cannot be started in Version 6

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vincentdxu

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Coherence mode cannot started in Version 6

The coherence mode in version 6 cannot started on my new iMAC. Not sure if anyone met same issue in v6 or v5?

If anyone know possible solutions. Please help. Thanks!

BR,
Vincent
 
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I have the same problem.
When I start Parallels 6 and try to switch to Coherence, I get a message to contact the customer support. I tried it but the support is the worst support I have ever seen.

So if anybody has an idea how to repair it, please post it.

Thanks for your help.


Philipp

I use it on an iMac27. On my MBP it is working. Same configuration on both machines.
 
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Problem solved

Hey,

I solved my problem. The Coherence Mode is working again.
The Problem was a Programm called Maxi Vista. It is used for the ipad. With that program you can use your iPad as a second monitor via Wifi. When I deactivate the driver in the System it works. ;-)

I hope I could help you!

Philipp
 
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Ditto for "Air Display"

I had a similar problem to what was described but in my case the conflict was with the Avatron's "Air Display" app (to allow using iPhone or iPad as a secondary display). The earlier version had not been a problem, but I had just installed version 1.2 this morning before finding the problem in coherence mode. As soon as I uninstalled Air Display (using their uninstaller program) including the required re-boot, Coherence mode was back and working fine.

Hopefully this conflict can be resolved in future releases as I like both Parallels and Air Display.
 
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Coherence not working

I have a different but similar issue with coherence. It was working properly prior to today. However, when I started XP today it refuses to stay in coherence. Anytime I try to open a Windows program, click the task bar, etc., it pops into windowed mode automatically. Help?
 
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Had some problem; got it fixed

My coherence mode worked perfectly until this morning. I worked on the problem all morning, trying to figure out what was going on. Found that you all had a similar problem, but couldn't follow any of the ideas presented here to fix it. An additional problem I had was that I could not log into Windows to even try some of the solutions.

Eventually I clicked on the "Device" item of the Parallels menu bar, chose "Keyboard", clicked on "alt+control+delete, and restarted the virtual machine. Voila! It works again.

Not sure exactly what I did that did the trick, but thankful to have my machine back!
 
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Hmm
first coherence worked ok. I had to reinstall another program so I reinstalled Parallels. To my surprise the coherence was gray!!
What did I do? I tried 'alt+control+delete' (advice from this forum). No.. it did not work.
I then checked and somewhere (I am sorry, but I just clicked away, he-he) At some point I clicked 'control+command+enter' since this should toggle the coherence. Did not work. Then i reinstalled Parallels Tools... and guess what! Coherence is back in.

good luck
Periscope
 
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same thing here. Re-installing the Parallels tools would help but 1 day later, the problem would be back. So I reinstall the tools, it works again, next day it's broken again.

There have been no changes in my setup other than that I activated the TimeMachine backup recently. Is it possible that these effects coincide?

Thanks,
J
 
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toggle Coherence: Of course, that's when it fails ;)

I get a dialog box saying that there was an error switching to Coherence. In parallels.log I get the following output:

[pre]
07-14 13:37:01.230 F /gui:267:207/ Starting task SwitchVmDesktopToCoherence <0x34f38c00> execution
07-14 13:37:01.230 F /gui:267:207/ Task SwitchVmDesktopToCoherence <0x34fe3820>: new subtask is ConfirmSwitch <0>
07-14 13:37:01.230 F /gui:267:207/ Task SwitchVmDesktopToCoherence <0x34fe3820>: new subtask is InitiateSwitch <1>
07-14 13:37:01.251 W CHRCLIENT /ChrToolClient:267:207/ CoherenceToolClient: ChrControl_ServerBusy. Start in progress = 1
07-14 13:37:01.251 F /gui:267:207/ Failed to start Coherence in VM [{4c347c1f-9720-4572-ab68-ac88209bdce3}]. Reason=11
07-14 13:37:01.257 W [MESSAGE_MNG] /gui:267:207/
Message id: {4a4ff6d8-f06a-4c31-ae85-97cf8c06e794}
[/pre]
 
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toggle Coherence: Of course, that's when it fails ;)

I get a dialog box saying that there was an error switching to Coherence.

In parallels.log I get the following relevant output:

07-14 13:37:01.230 F /gui:267:207/ Starting task SwitchVmDesktopToCoherence <0x34f38c00> execution
07-14 13:37:01.230 F /gui:267:207/ Task SwitchVmDesktopToCoherence <0x34fe3820>: new subtask is ConfirmSwitch <0>
07-14 13:37:01.230 F /gui:267:207/ Task SwitchVmDesktopToCoherence <0x34fe3820>: new subtask is InitiateSwitch <1>
07-14 13:37:01.251 W CHRCLIENT /ChrToolClient:267:207/ CoherenceToolClient: ChrControl_ServerBusy. Start in progress = 1
07-14 13:37:01.251 F /gui:267:207/ Failed to start Coherence in VM [{4c347c1f-9720-4572-ab68-ac88209bdce3}]. Reason=11
07-14 13:37:01.257 W [MESSAGE_MNG] /gui:267:207/
Message id: {4a4ff6d8-f06a-4c31-ae85-97cf8c06e794}
 
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...and the problem is back. there were no operational changes to the VM (win7 ultimate/x64) other than the (automated) snapshot taking and deleting. re-installing tools helped once more. the log file message is the same as above. is anyone from parallels monitoring this? I think that the need to re-install the tools every so often constitutes a bug that ought to be fixed.
 
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And the problem is back with P7

... this time with P7. Find the log output snippet attached.

The relevant line is:
02-29 17:14:03.594 F /gui:288:207/ Subtask 1 [InitiateSwitch] completed with RC = 80000009 [PRL_ERR_FAILURE]
02-29 17:14:03.606 F /gui:288:207/ Finishing task SwitchVmDesktopToCoherence <0x13331fdc0> with RC = 80000009 [PRL_ERR_FAILURE]

Please help. It's been > 1 year and this problem keeps reoccuring across major versions.

Thanks!
 

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